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Tue, 17 Oct 2023 14:47:18 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 01/11] soc: mediatek: Add register definitions for GCE Date: Tue, 17 Oct 2023 14:47:07 +0800 Message-ID: <20231017064717.21616-2-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--0.744200-8.000000 X-TMASE-MatchedRID: +aiIZkdJNeWLwgJA7qJvFMnUT+eskUQPUAjrAJWsTe//evmlVf9xZkN+ V6ZFLcNdK+GE57usLIi8xfjW6NxdqFfnsPC4h9MjSEQN/D/3cG4IYICTzfK2gccfB5qY+d3io8W MkQWv6iXBcIE78YqRWo6HM5rqDwqtZHKDEaeJy4byKRh4CNRN852PVxVMV2ioN9hxljcgqvC+po L87PUishRY09hgyy5B79Evy1WLpYHKWZR2fV44oViLpGR6nqyUwZBgUyJVEbl6Fw8/PpTMRaVvm iAyeA2kc5MSfkiJFI5p3LlElBHTlw== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--0.744200-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: AA0BAC5DCBAFE761AFDBC181DEC6779C639F59B2CD1D8D60EC3353CAEA8FA3C52000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234801_808854_26B3232E X-CRM114-Status: UNSURE ( 9.76 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add register definitions for GCE so users can use them as a buffer to store data. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- include/linux/soc/mediatek/mtk-cmdq.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 649955d2cf5c..a253c001c861 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -14,6 +14,16 @@ #define CMDQ_ADDR_HIGH(addr) ((u32)(((addr) >> 16) & GENMASK(31, 0))) #define CMDQ_ADDR_LOW(addr) ((u16)(addr) | BIT(1)) +/* + * Every cmdq thread has its own SPRs (Specific Purpose Registers), + * so there are 4 * 24 (threads) = 96 SPRs in GCE that shares the + * same indexes below + */ +#define CMDQ_THR_SPR_IDX0 (0) +#define CMDQ_THR_SPR_IDX1 (1) +#define CMDQ_THR_SPR_IDX2 (2) +#define CMDQ_THR_SPR_IDX3 (3) + struct cmdq_pkt; struct cmdq_client_reg { From patchwork Tue Oct 17 06:47:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13424653 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B5D3BCDB474 for ; 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Mon, 16 Oct 2023 23:57:56 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:18 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 02/11] soc: mediatek: Disable 9-bit alpha in ETHDR Date: Tue, 17 Oct 2023 14:47:08 +0800 Message-ID: <20231017064717.21616-3-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.084300-8.000000 X-TMASE-MatchedRID: Rj8ugvyJmEO+Yp4vsvc0tLMsPmSZxbpksvllF/5zpT3jsTquy0JRi0fp kQx2u0Ks+qmOSYkzMxl1VEmx7sTk/25/NyTKlG694bl1FkKDELcoteqd/zXaI/ufvd3T2+v3dHv iJhofy1Hi8zVgXoAltsIJ+4gwXrEtJ0RPnyOnrZJwhH7yAuWrPPJZnPx9vad3szm63XzKi/h9jP F3getekOuu3S58dvEzZv9PVtL7eD1CMnXXKxnDMlJXgzMBvyCJUbx233hKZ3OAhOcaQrQ0U1GyR coeF18qmKP0zzpTAeGwod8xOMKmvA1Aka/KIp/p X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.084300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 18B1C4D8DA1BC211D31418291B7EEA149A26EECD2E4BA7307DC3791116FB52772000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_235801_872301_FC7FB86F X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org ETHDR 9-bit alpha should be disabled by default, otherwise alpha blending will not work. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/soc/mediatek/mtk-mmsys.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index a456c3e0aee7..e471be3bafc1 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -226,6 +226,7 @@ void mtk_mmsys_mixer_in_config(struct device *dev, int idx, bool alpha_sel, u16 mtk_mmsys_update_bits(mmsys, MT8195_VDO1_MIXER_IN1_ALPHA + (idx - 1) * 4, ~0, alpha << 16 | alpha, cmdq_pkt); + mtk_mmsys_update_bits(mmsys, MT8195_VDO1_HDR_TOP_CFG, BIT(15 + idx), 0, cmdq_pkt); mtk_mmsys_update_bits(mmsys, MT8195_VDO1_HDR_TOP_CFG, BIT(19 + idx), alpha_sel << (19 + idx), cmdq_pkt); mtk_mmsys_update_bits(mmsys, MT8195_VDO1_MIXER_IN1_PAD + (idx - 1) * 4, From patchwork Tue Oct 17 06:47:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13424652 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8C1FCCDB474 for ; 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Mon, 16 Oct 2023 23:57:21 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:18 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 03/11] dt-bindings: display: mediatek: ovl: Modify rules for MT8195/MT8188 Date: Tue, 17 Oct 2023 14:47:09 +0800 Message-ID: <20231017064717.21616-4-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_235726_460264_6175CC29 X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Modify rules for both MT8195 and MT8188. Hardware capabilities include color formats and AFBC are changed since MT8195, stop using the settings of MT8183. Signed-off-by: Hsiao Chien Sung Acked-by: Rob Herring --- .../bindings/display/mediatek/mediatek,ovl.yaml | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) -- 2.18.0 diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml index 92e320d54ba2..b37208a9e370 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml @@ -26,20 +26,18 @@ properties: - mediatek,mt8173-disp-ovl - mediatek,mt8183-disp-ovl - mediatek,mt8192-disp-ovl + - mediatek,mt8195-disp-ovl - items: - enum: - mediatek,mt7623-disp-ovl - mediatek,mt2712-disp-ovl - const: mediatek,mt2701-disp-ovl - items: - - enum: - - mediatek,mt8188-disp-ovl - - mediatek,mt8195-disp-ovl - - const: mediatek,mt8183-disp-ovl - - items: - - enum: - - mediatek,mt8186-disp-ovl + - const: mediatek,mt8186-disp-ovl - const: mediatek,mt8192-disp-ovl + - items: + - const: mediatek,mt8188-disp-ovl + - const: mediatek,mt8195-disp-ovl reg: maxItems: 1 From patchwork Tue Oct 17 06:47:10 2023 Content-Type: text/plain; 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Tue, 17 Oct 2023 14:47:18 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 04/11] drm/mediatek: Add OVL compatible name for MT8195 Date: Tue, 17 Oct 2023 14:47:10 +0800 Message-ID: <20231017064717.21616-5-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234724_839464_141CF3E4 X-CRM114-Status: GOOD ( 11.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add OVL compatible name for MT8195. Without this commit, DRM won't work after modifying the device tree. Reviewed-by: CK Hu Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index eecfeb8fbde1..5d551bff6b3f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -767,6 +767,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DISP_OVL }, { .compatible = "mediatek,mt8192-disp-ovl", .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt8195-disp-ovl", + .data = (void *)MTK_DISP_OVL }, { .compatible = "mediatek,mt8183-disp-ovl-2l", .data = (void *)MTK_DISP_OVL_2L }, { .compatible = "mediatek,mt8192-disp-ovl-2l", From patchwork Tue Oct 17 06:47:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13424641 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8865CCDB474 for ; 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Mon, 16 Oct 2023 23:47:22 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 05/11] drm/mediatek: Set DRM mode configs accordingly Date: Tue, 17 Oct 2023 14:47:11 +0800 Message-ID: <20231017064717.21616-6-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234725_785137_D6DD05E2 X-CRM114-Status: GOOD ( 19.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Set DRM mode configs limitation accroding to the hardware capabilities. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 28 ++++++++++++++++++-------- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 17 ++++++++++++++++ 2 files changed, 37 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 5d551bff6b3f..a4b740420ebb 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -304,6 +304,7 @@ static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = { .conn_routes = mt8188_mtk_ddp_main_routes, .conn_routes_num = ARRAY_SIZE(mt8188_mtk_ddp_main_routes), .mmsys_dev_num = 2, + .max_pitch = GENMASK(15, 0), }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -318,6 +319,7 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { .main_path = mt8195_mtk_ddp_main, .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), .mmsys_dev_num = 2, + .max_pitch = GENMASK(15, 0), }; static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { @@ -325,6 +327,7 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { .ext_len = ARRAY_SIZE(mt8195_mtk_ddp_ext), .mmsys_id = 1, .mmsys_dev_num = 2, + .max_pitch = GENMASK(15, 0), }; static const struct of_device_id mtk_drm_of_ids[] = { @@ -463,16 +466,16 @@ static int mtk_drm_kms_init(struct drm_device *drm) if (ret) goto put_mutex_dev; - drm->mode_config.min_width = 64; - drm->mode_config.min_height = 64; - /* - * set max width and height as default value(4096x4096). - * this value would be used to check framebuffer size limitation - * at drm_mode_addfb(). + * Set default values for drm mode config + * these values will be referenced by drm_mode_addfb() as + * frame buffer size limitation. */ - drm->mode_config.max_width = 4096; - drm->mode_config.max_height = 4096; + drm->mode_config.min_width = 1; + drm->mode_config.min_height = 1; + drm->mode_config.cursor_width = 512; + drm->mode_config.cursor_height = 512; + drm->mode_config.funcs = &mtk_drm_mode_config_funcs; drm->mode_config.helper_private = &mtk_drm_mode_config_helpers; @@ -502,6 +505,15 @@ static int mtk_drm_kms_init(struct drm_device *drm) for (j = 0; j < private->data->mmsys_dev_num; j++) { priv_n = private->all_drm_private[j]; + if (priv_n->data->max_pitch) { + /* Save 4 bytes for the color depth (pitch = width x bpp) */ + drm->mode_config.max_width = priv_n->data->max_pitch >> 2; + drm->mode_config.max_height = priv_n->data->max_pitch >> 2; + } else { + drm->mode_config.max_width = 4096; + drm->mode_config.max_height = 4096; + } + if (i == 0 && priv_n->data->main_len) { ret = mtk_drm_crtc_create(drm, priv_n->data->main_path, priv_n->data->main_len, j, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index d2efd715699f..833ecee855bb 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -28,6 +28,21 @@ struct mtk_drm_route { const unsigned int *route_ddp; }; +/** + * struct mtk_mmsys_driver_data - capabilities for the mmsys + * @main_path: path of the main display + * @main_len: length of the main display path + * @ext_path: path of the external display + * @ext_len: length of the external display path + * @third_path: path of the third display + * @third_len: length of the third display path + * @conn_routes: routing table of all the possible connectors + * @conn_routes_num: number of the routing table for the connectors + * @shadow_register: whether or not shadow register is enabled + * @mmsys_id: multi-media system ID + * @mmsys_dev_num: number of devices for in the mmsys as a whole + * @max_pitch: maximum pitch in bytes that the mmsys supports + */ struct mtk_mmsys_driver_data { const unsigned int *main_path; 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Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 06/11] drm/mediatek: Support alpha blending in display driver Date: Tue, 17 Oct 2023 14:47:12 +0800 Message-ID: <20231017064717.21616-7-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--13.241300-8.000000 X-TMASE-MatchedRID: sHBNP13/Fsz2fv0LTPfvM6MVgdN9w+TCG9Itfzsy8/Xvnm3ZesFzgrxX z8rVhwNp09NQNrxIpFaXO2uBwefMOJOD/r6k201R4pdq9sdj8LW4vBuE2X0HlfNhzIgXtFJVqcT eK67rgVPgN525AmZSDlrpZ2UgV/eS1x+eOID2gFVIOSHptb5tx5qCl1R34jDPtxF8SAx8/RmOx7 X7h9Du63wAGFxWrqclKSiRRLHTYarlRxm3A2wKuhRFJJyf5BJe3QfwsVk0UbtuRXh7bFKB7j4Mm vPrGH5K+6DJezH7jeu8YBKVTOFKeAwhFEZZKPcO66XHIc5w+gc= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--13.241300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 00459956C72CDF8663DBAED2D777653D33981E0D0B403A95CF843A006A2041D42000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234836_252018_79151E38 X-CRM114-Status: GOOD ( 13.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Support alpha blending by adding correct blend mode and alpha property in plane initialization. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 10 ++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 ++ drivers/gpu/drm/mediatek/mtk_drm_plane.c | 11 +++++++++++ 3 files changed, 23 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index a4b740420ebb..0467e80444d3 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -14,6 +14,7 @@ #include #include +#include #include #include #include @@ -305,6 +306,9 @@ static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = { .conn_routes_num = ARRAY_SIZE(mt8188_mtk_ddp_main_routes), .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -320,6 +324,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { @@ -328,6 +335,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { .mmsys_id = 1, .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct of_device_id mtk_drm_of_ids[] = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 833ecee855bb..27865f8f1160 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -42,6 +42,7 @@ struct mtk_drm_route { * @mmsys_id: multi-media system ID * @mmsys_dev_num: number of devices for in the mmsys as a whole * @max_pitch: maximum pitch in bytes that the mmsys supports + * @blend_mode: alpha blend modes that the mmsys supports */ struct mtk_mmsys_driver_data { const unsigned int *main_path; @@ -58,6 +59,7 @@ struct mtk_mmsys_driver_data { unsigned int mmsys_dev_num; u32 max_pitch; + u32 blend_mode; }; struct mtk_drm_private { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index 9208f03b3f8c..a6cf1ab94e42 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -327,6 +327,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, size_t num_formats) { int err; + struct mtk_drm_private *priv = dev->dev_private; if (!formats || !num_formats) { DRM_ERROR("no formats for plane\n"); @@ -349,6 +350,16 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, DRM_INFO("Create rotation property failed\n"); } + err = drm_plane_create_alpha_property(plane); + if (err) + DRM_ERROR("failed to create property: alpha\n"); + + if (priv->data->blend_mode) { + err = drm_plane_create_blend_mode_property(plane, priv->data->blend_mode); + if (err) + DRM_ERROR("failed to create property: blend_mode\n"); + } + drm_plane_helper_add(plane, &mtk_plane_helper_funcs); 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Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 07/11] drm/mediatek: Support alpha blending in VDOSYS0 Date: Tue, 17 Oct 2023 14:47:13 +0800 Message-ID: <20231017064717.21616-8-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--11.236600-8.000000 X-TMASE-MatchedRID: GlUfE5FNQQz2fv0LTPfvM5JAa1C/+FcuEbxKVXd70tWU8ftiyKjZrRsY DextMHGuGJd2qe6nWQsaTIVsbS1pG+F/B1jEjV+6y7TSWcbz49b/lBG+uXYJkNchlMhSt6FexEs GD8geUL38aLTyW2a3YkhxRggzEU3FMH15eekLeUiHZXNSWjgdU4ED+PNzPecBRQ0dAChl/lz8/L 2o6LnOlxWt9a3ryuo3lHJpPX3ZHleyRDt3x3st943NgkEqAN0RpwnFZnn+VHwHBp+1KU23QYFaK sEtPT2WFm9c8s2OWMvrSFeO0C8F5I9oUcx9VMLgFEUknJ/kEl7dB/CxWTRRu25FeHtsUoHuPmT0 js3FXVC5lpKwiuLw5JGumwfIFp5jAUfAWyyQaUW+68HqACCvKA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--11.236600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: FCB9604EA221C53E732E0093068681EECA5186819A4692C8AE7D4BDC42D0E7452000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234836_245452_1E232F4D X-CRM114-Status: GOOD ( 20.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Support premultiply and coverage alpha blending modes. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 202 +++++++++++++++++++++--- 1 file changed, 178 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 5aaf4342cdbd..75de1350e337 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -31,6 +31,7 @@ #define OVL_LAYER_SMI_ID_EN BIT(0) #define OVL_BGCLR_SEL_IN BIT(2) #define OVL_LAYER_AFBC_EN(n) BIT(4+n) +#define OVL_OUTPUT_CLAMP BIT(26) #define DISP_REG_OVL_ROI_BGCLR 0x0028 #define DISP_REG_OVL_SRC_CON 0x002c #define DISP_REG_OVL_CON(n) (0x0030 + 0x20 * (n)) @@ -39,10 +40,28 @@ #define DISP_REG_OVL_PITCH_MSB(n) (0x0040 + 0x20 * (n)) #define OVL_PITCH_MSB_2ND_SUBBUF BIT(16) #define DISP_REG_OVL_PITCH(n) (0x0044 + 0x20 * (n)) +#define OVL_CONST_BLEND BIT(28) #define DISP_REG_OVL_RDMA_CTRL(n) (0x00c0 + 0x20 * (n)) #define DISP_REG_OVL_RDMA_GMC(n) (0x00c8 + 0x20 * (n)) #define DISP_REG_OVL_ADDR_MT2701 0x0040 #define DISP_REG_OVL_CLRFMT_EXT 0x02D0 +#define DISP_REG_OVL_CLRFMT_EXT1 0x02D8 +#define OVL_CLRFMT_EXT1_CSC_EN(n) (1 << (((n) * 4) + 1)) +#define DISP_REG_OVL_Y2R_PARA_R0(n) (0x0134 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_RMY (GENMASK(14, 0)) +#define DISP_REG_OVL_Y2R_PARA_G0(n) (0x013c + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_GMU (GENMASK(30, 16)) +#define DISP_REG_OVL_Y2R_PARA_B1(n) (0x0148 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_BMV (GENMASK(14, 0)) +#define DISP_REG_OVL_Y2R_PARA_YUV_A_0(n) (0x014c + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_YA (GENMASK(10, 0)) +#define OVL_Y2R_PARA_C_CF_UA (GENMASK(26, 16)) +#define DISP_REG_OVL_Y2R_PARA_YUV_A_1(n) (0x0150 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_VA (GENMASK(10, 0)) +#define DISP_REG_OVL_Y2R_PRE_ADD2(n) (0x0154 + 0x28 * (n)) +#define DISP_REG_OVL_R2R_R0(n) (0x0500 + 0x40 * (n)) +#define DISP_REG_OVL_R2R_G1(n) (0x0510 + 0x40 * (n)) +#define DISP_REG_OVL_R2R_B2(n) (0x0520 + 0x40 * (n)) #define DISP_REG_OVL_ADDR_MT8173 0x0f40 #define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n)) #define DISP_REG_OVL_HDR_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x04) @@ -52,13 +71,19 @@ #define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) #define GMC_THRESHOLD_LOW ((1 << GMC_THRESHOLD_BITS) / 8) -#define OVL_CON_BYTE_SWAP BIT(24) -#define OVL_CON_MTX_YUV_TO_RGB (6 << 16) -#define OVL_CON_CLRFMT_RGB (1 << 12) -#define OVL_CON_CLRFMT_RGBA8888 (2 << 12) -#define OVL_CON_CLRFMT_ARGB8888 (3 << 12) -#define OVL_CON_CLRFMT_UYVY (4 << 12) -#define OVL_CON_CLRFMT_YUYV (5 << 12) +#define OVL_CON_CLRFMT_MAN BIT(23) +#define OVL_CON_BYTE_SWAP BIT(24) +#define OVL_CON_RGB_SWAP BIT(25) +#define OVL_CON_MTX_AUTO_DIS BIT(26) +#define OVL_CON_MTX_EN BIT(27) +#define OVL_CON_CLRFMT_RGB (1 << 12) +#define OVL_CON_CLRFMT_RGBA8888 (2 << 12) +#define OVL_CON_CLRFMT_ARGB8888 (3 << 12) +#define OVL_CON_CLRFMT_PARGB8888 (OVL_CON_CLRFMT_ARGB8888 | OVL_CON_CLRFMT_MAN) +#define OVL_CON_CLRFMT_UYVY (4 << 12) +#define OVL_CON_CLRFMT_YUYV (5 << 12) +#define OVL_CON_MTX_YUV_TO_RGB (6 << 16) +#define OVL_CON_MTX_PROGRAMMABLE (8 << 16) #define OVL_CON_CLRFMT_RGB565(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ 0 : OVL_CON_CLRFMT_RGB) #define OVL_CON_CLRFMT_RGB888(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ @@ -72,6 +97,22 @@ #define OVL_CON_VIRT_FLIP BIT(9) #define OVL_CON_HORZ_FLIP BIT(10) +static inline bool is_10bit_rgb(u32 fmt) +{ + switch (fmt) { + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_RGBA1010102: + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + case DRM_FORMAT_BGRX1010102: + case DRM_FORMAT_BGRA1010102: + return true; + } + return false; +} + static const u32 mt8173_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, @@ -89,12 +130,20 @@ static const u32 mt8173_formats[] = { static const u32 mt8195_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XRGB2101010, DRM_FORMAT_ARGB2101010, DRM_FORMAT_BGRX8888, DRM_FORMAT_BGRA8888, + DRM_FORMAT_BGRX1010102, DRM_FORMAT_BGRA1010102, DRM_FORMAT_ABGR8888, DRM_FORMAT_XBGR8888, + DRM_FORMAT_XBGR2101010, + DRM_FORMAT_ABGR2101010, + DRM_FORMAT_RGBX8888, + DRM_FORMAT_RGBA8888, + DRM_FORMAT_RGBX1010102, + DRM_FORMAT_RGBA1010102, DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, @@ -208,14 +257,19 @@ void mtk_ovl_clk_disable(struct device *dev) void mtk_ovl_start(struct device *dev) { struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); + unsigned int reg = readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON); - if (ovl->data->smi_id_en) { - unsigned int reg; + if (ovl->data->smi_id_en) + reg |= OVL_LAYER_SMI_ID_EN; - reg = readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON); - reg = reg | OVL_LAYER_SMI_ID_EN; - writel_relaxed(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); - } + /* + * clamp output to 10 bits per channel + * overflow and underflow usually happens when doing Y2R conversion + * this bit should be always enable to avoid this kind of situation + */ + reg |= OVL_OUTPUT_CLAMP; + + writel_relaxed(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); writel_relaxed(0x1, ovl->regs + DISP_REG_OVL_EN); } @@ -254,9 +308,7 @@ static void mtk_ovl_set_bit_depth(struct device *dev, int idx, u32 format, reg = readl(ovl->regs + DISP_REG_OVL_CLRFMT_EXT); reg &= ~OVL_CON_CLRFMT_BIT_DEPTH_MASK(idx); - if (format == DRM_FORMAT_RGBA1010102 || - format == DRM_FORMAT_BGRA1010102 || - format == DRM_FORMAT_ARGB2101010) + if (is_10bit_rgb(format)) bit_depth = OVL_CON_CLRFMT_10_BIT; reg |= OVL_CON_CLRFMT_BIT_DEPTH(bit_depth, idx); @@ -274,7 +326,8 @@ void mtk_ovl_config(struct device *dev, unsigned int w, if (w != 0 && h != 0) mtk_ddp_write_relaxed(cmdq_pkt, h << 16 | w, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_ROI_SIZE); - mtk_ddp_write_relaxed(cmdq_pkt, 0x0, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_ROI_BGCLR); + mtk_ddp_write_relaxed(cmdq_pkt, 0xff000000, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_ROI_BGCLR); mtk_ddp_write(cmdq_pkt, 0x1, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_RST); mtk_ddp_write(cmdq_pkt, 0x0, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_RST); @@ -357,7 +410,8 @@ void mtk_ovl_layer_off(struct device *dev, unsigned int idx, DISP_REG_OVL_RDMA_CTRL(idx)); } -static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt) +static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt, + unsigned int blend_mode) { /* The return value in switch "MEM_MODE_INPUT_FORMAT_XXX" * is defined in mediatek HW data sheet. @@ -376,17 +430,37 @@ static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt) return OVL_CON_CLRFMT_RGB888(ovl) | OVL_CON_BYTE_SWAP; case DRM_FORMAT_RGBX8888: case DRM_FORMAT_RGBA8888: + return blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_ARGB8888 : + OVL_CON_CLRFMT_PARGB8888; + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_RGBA1010102: return OVL_CON_CLRFMT_ARGB8888; case DRM_FORMAT_BGRX8888: case DRM_FORMAT_BGRA8888: + return OVL_CON_BYTE_SWAP | + (blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_ARGB8888 : + OVL_CON_CLRFMT_PARGB8888); + case DRM_FORMAT_BGRX1010102: case DRM_FORMAT_BGRA1010102: return OVL_CON_CLRFMT_ARGB8888 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + return blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_RGBA8888 : + OVL_CON_CLRFMT_PARGB8888; + case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_ARGB2101010: return OVL_CON_CLRFMT_RGBA8888; case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ABGR8888: + return OVL_CON_RGB_SWAP | + (blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_RGBA8888 : + OVL_CON_CLRFMT_PARGB8888); + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: return OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_UYVY: return OVL_CON_CLRFMT_UYVY | OVL_CON_MTX_YUV_TO_RGB; @@ -408,6 +482,8 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, unsigned int fmt = pending->format; unsigned int offset = (pending->y << 16) | pending->x; unsigned int src_size = (pending->height << 16) | pending->width; + unsigned int blend_mode = state->base.pixel_blend_mode; + unsigned int ignore_pixel_alpha = 0; unsigned int con; bool is_afbc = pending->modifier != DRM_FORMAT_MOD_LINEAR; union overlay_pitch { @@ -420,14 +496,92 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, overlay_pitch.pitch = pitch; - if (!pending->enable) { + if (!pending->enable || !pending->width || !pending->height) { mtk_ovl_layer_off(dev, idx, cmdq_pkt); return; } - con = ovl_fmt_convert(ovl, fmt); - if (state->base.fb && state->base.fb->format->has_alpha) - con |= OVL_CON_AEN | OVL_CON_ALPHA; + con = ovl_fmt_convert(ovl, fmt, blend_mode); + if (state->base.fb) { + con |= OVL_CON_AEN; + con |= state->base.alpha & 0xff; + } + + if (blend_mode == DRM_MODE_BLEND_PIXEL_NONE || + (state->base.fb && !state->base.fb->format->has_alpha)) + ignore_pixel_alpha = OVL_CONST_BLEND; + + /* need to do Y2R and R2R to reduce 10bit data to 8bit for CRC calculation */ + if (ovl->data->supports_clrfmt_ext) { + u32 y2r_coef = 0, y2r_offset = 0, r2r_coef = 0, csc_en = 0; + + if (is_10bit_rgb(fmt)) { + con |= OVL_CON_MTX_AUTO_DIS | OVL_CON_MTX_EN | OVL_CON_MTX_PROGRAMMABLE; + + /* + * Y2R coef setting + * bit 13 is 2^1, bit 12 is 2^0, bit 11 is 2^-1, + * bit 10 is 2^-2 = 0.25 + */ + y2r_coef = BIT(10); + + /* -1 in 10bit */ + y2r_offset = GENMASK(10, 0) - 1; + + /* + * R2R coef setting + * bit 19 is 2^1, bit 18 is 2^0, bit 17 is 2^-1, + * bit 20 is 2^2 = 4 + */ + r2r_coef = BIT(20); + + /* CSC_EN is for R2R */ + csc_en = OVL_CLRFMT_EXT1_CSC_EN(idx); + + /* + * 1. YUV input data - 1 and shift right for 2 bits to remove it + * [R'] [0.25 0 0] [Y in - 1] + * [G'] = [ 0 0.25 0] * [U in - 1] + * [B'] [ 0 0 0.25] [V in - 1] + * + * 2. shift left for 2 bit letting the last 2 bits become 0 + * [R out] [ 4 0 0] [R'] + * [G out] = [ 0 4 0] * [G'] + * [B out] [ 0 0 4] [B'] + */ + } + + mtk_ddp_write_mask(cmdq_pkt, y2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_R0(idx), + OVL_Y2R_PARA_C_CF_RMY); + mtk_ddp_write_mask(cmdq_pkt, (y2r_coef << 16), + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_G0(idx), + OVL_Y2R_PARA_C_CF_GMU); + mtk_ddp_write_mask(cmdq_pkt, y2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_B1(idx), + OVL_Y2R_PARA_C_CF_BMV); + + mtk_ddp_write_mask(cmdq_pkt, y2r_offset, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_0(idx), + OVL_Y2R_PARA_C_CF_YA); + mtk_ddp_write_mask(cmdq_pkt, (y2r_offset << 16), + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_0(idx), + OVL_Y2R_PARA_C_CF_UA); + mtk_ddp_write_mask(cmdq_pkt, y2r_offset, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_1(idx), + OVL_Y2R_PARA_C_CF_VA); + + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_R0(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_G1(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_B2(idx)); + + mtk_ddp_write_mask(cmdq_pkt, csc_en, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_CLRFMT_EXT1, + OVL_CLRFMT_EXT1_CSC_EN(idx)); + } if (pending->rotation & DRM_MODE_REFLECT_Y) { con |= OVL_CON_VIRT_FLIP; @@ -444,8 +598,8 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, mtk_ddp_write_relaxed(cmdq_pkt, con, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_CON(idx)); - mtk_ddp_write_relaxed(cmdq_pkt, overlay_pitch.split_pitch.lsb, &ovl->cmdq_reg, ovl->regs, - DISP_REG_OVL_PITCH(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, overlay_pitch.split_pitch.lsb | ignore_pixel_alpha, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH(idx)); mtk_ddp_write_relaxed(cmdq_pkt, src_size, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_SRC_SIZE(idx)); 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Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 08/11] drm/mediatek: Support alpha blending in VDOSYS1 Date: Tue, 17 Oct 2023 14:47:14 +0800 Message-ID: <20231017064717.21616-9-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234757_823140_AC5BC95F X-CRM114-Status: GOOD ( 16.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Support premultiply and coverage alpha blending modes. Signed-off-by: Hsiao Chien Sung --- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 2 +- drivers/gpu/drm/mediatek/mtk_ethdr.c | 48 +++++++++++++++---- 2 files changed, 39 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 8de57a5f5518..b69ac90b2e65 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -156,7 +156,7 @@ void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, merge = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MERGE0 + idx]; ethdr = ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]; - if (!pending->enable) { + if (!pending->enable || !pending->width || !pending->height) { mtk_merge_stop_cmdq(merge, cmdq_pkt); mtk_mdp_rdma_stop(rdma_l, cmdq_pkt); mtk_mdp_rdma_stop(rdma_r, cmdq_pkt); diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediatek/mtk_ethdr.c index 73dc4da3ba3b..648e14e85bd0 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -5,6 +5,7 @@ #include #include +#include #include #include #include @@ -35,6 +36,7 @@ #define MIX_SRC_L0_EN BIT(0) #define MIX_L_SRC_CON(n) (0x28 + 0x18 * (n)) #define NON_PREMULTI_SOURCE (2 << 12) +#define PREMULTI_SOURCE (3 << 12) #define MIX_L_SRC_SIZE(n) (0x30 + 0x18 * (n)) #define MIX_L_SRC_OFFSET(n) (0x34 + 0x18 * (n)) #define MIX_FUNC_DCM0 0x120 @@ -153,33 +155,59 @@ void mtk_ethdr_layer_config(struct device *dev, unsigned int idx, struct mtk_plane_pending_state *pending = &state->pending; unsigned int offset = (pending->x & 1) << 31 | pending->y << 16 | pending->x; unsigned int align_width = ALIGN_DOWN(pending->width, 2); - unsigned int alpha_con = 0; + unsigned int mix_con = NON_PREMULTI_SOURCE; + bool replace_src_a = false; + + union format { + u32 raw; + u8 str[5]; + } format; dev_dbg(dev, "%s+ idx:%d", __func__, idx); if (idx >= 4) return; - if (!pending->enable) { + if (!pending->enable || !pending->width || !pending->height) { + /* + * instead of disabling layer with MIX_SRC_CON directly + * set the size to 0 to avoid screen shift due to mode switch + */ mtk_ddp_write(cmdq_pkt, 0, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_SIZE(idx)); return; } - if (state->base.fb && state->base.fb->format->has_alpha) - alpha_con = MIXER_ALPHA_AEN | MIXER_ALPHA; + mix_con |= MIXER_ALPHA_AEN | (state->base.alpha & MIXER_ALPHA); + + if (state->base.pixel_blend_mode != DRM_MODE_BLEND_COVERAGE) + mix_con |= PREMULTI_SOURCE; + + if (state->base.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE || + (state->base.fb && !state->base.fb->format->has_alpha)) { + /* + * Mixer doesn't support CONST_BLD mode, + * use a trick to make the output equivalent + */ + replace_src_a = true; + } + + format.raw = pending->format; + + dev_dbg(dev, "L%d: %ux%u(%u,%u)%s: SCA=0x%x(%u), MIX=0x%x\n", idx, + pending->width, pending->height, pending->x, pending->y, + format.str, (state->base.alpha & MIXER_ALPHA), + state->base.pixel_blend_mode, mix_con); - mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, alpha_con ? false : true, - DEFAULT_9BIT_ALPHA, + mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, replace_src_a, MIXER_ALPHA, pending->x & 1 ? MIXER_INX_MODE_EVEN_EXTEND : MIXER_INX_MODE_BYPASS, align_width / 2 - 1, cmdq_pkt); mtk_ddp_write(cmdq_pkt, pending->height << 16 | align_width, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_SIZE(idx)); mtk_ddp_write(cmdq_pkt, offset, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_OFFSET(idx)); - mtk_ddp_write_mask(cmdq_pkt, alpha_con, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_CON(idx), - 0x1ff); - mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &mixer->cmdq_base, mixer->regs, MIX_SRC_CON, - BIT(idx)); + mtk_ddp_write(cmdq_pkt, mix_con, &mixer->cmdq_base, mixer->regs, MIX_L_SRC_CON(idx)); + mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &mixer->cmdq_base, mixer->regs, + MIX_SRC_CON, BIT(idx)); } void mtk_ethdr_config(struct device *dev, unsigned int w, From patchwork Tue Oct 17 06:47:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13424646 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1D955CDB474 for ; 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Mon, 16 Oct 2023 23:47:54 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 09/11] drm/mediatek: Support CRC in display driver Date: Tue, 17 Oct 2023 14:47:15 +0800 Message-ID: <20231017064717.21616-10-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234802_893799_436BAFE5 X-CRM114-Status: GOOD ( 35.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Register CRC related function pointers to support CRC retrieval. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 261 +++++++++++++++++++- drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 39 +++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 35 +++ 3 files changed, 332 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index c7edd80be428..c97dbbf32072 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -27,14 +27,30 @@ * struct mtk_drm_crtc - MediaTek specific crtc structure. * @base: crtc object. * @enabled: records whether crtc_enable succeeded + * @pending_needs_vblank: determine if we need to handle vblank event + * @event: the vblank event to handle * @planes: array of 4 drm_plane structures, one for each overlay plane + * @layer_nr: layer numbers that the crtc supports * @pending_planes: whether any plane has pending changes to be applied + * @pending_async_planes: if there is any pending async update + * @cmdq_client: a handler to control cmdq (mbox channel, thread ...etc.) + * @cmdq_handle: cmdq packet to store the commands + * @cmdq_event: cmdq event that the thread is waiting for + * @cmdq_vblank_cnt: vblank count that is dedicated for the cmdq thread + * @cb_blocking_queue: wait queue to determine if cmdq is blocked * @mmsys_dev: pointer to the mmsys device for configuration registers + * @dma_dev: pointer to the dma device (usually rdma) * @mutex: handle to one of the ten disp_mutex streams - * @ddp_comp_nr: number of components in ddp_comp + * @ddp_comp_nr_ori: number of the components excludes the route (origin) + * @max_ddp_comp_nr: maximum number of the components in routes + * @ddp_comp_nr: number of the components in the current path * @ddp_comp: array of pointers the mtk_ddp_comp structures used by this crtc - * - * TODO: Needs update: this header is missing a bunch of member descriptions. + * @conn_route_nr: number of the components in route + * @conn_routes: route to the connector + * @hw_lock: mutex lock to avoid race condition when layer config + * @config_updating: determine if the layer configuration is done + * @crc_provider: get crc provider of the crtc + * @frames: count the frames that are added to crc entry */ struct mtk_drm_crtc { struct drm_crtc base; @@ -70,6 +86,9 @@ struct mtk_drm_crtc { /* lock for display hardware access */ struct mutex hw_lock; bool config_updating; + + struct mtk_ddp_comp *crc_provider; + unsigned int frames; }; struct mtk_crtc_state { @@ -613,6 +632,14 @@ static void mtk_crtc_ddp_irq(void *data) struct drm_crtc *crtc = data; struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); struct mtk_drm_private *priv = crtc->dev->dev_private; + struct mtk_ddp_comp *comp = mtk_crtc->crc_provider; + + /* + * crc providers should make sure the crc is always correct + * by resetting it in .crc_read() + */ + if (crtc->crc.opened) + comp->funcs->crc_read(comp->dev); #if IS_REACHABLE(CONFIG_MTK_CMDQ) if (!priv->data->shadow_register && !mtk_crtc->cmdq_client.chan) @@ -624,6 +651,24 @@ static void mtk_crtc_ddp_irq(void *data) if (!priv->data->shadow_register) mtk_crtc_ddp_config(crtc, NULL); #endif + + /* + * drm_crtc_add_crc_entry() could take more than 50ms to finish + * put it at the end of the isr + */ + if (crtc->crc.opened) { + /* + * skip the first crc because the first frame is configured by + * mtk_crtc_ddp_hw_init() when atomic enable + */ + if (++mtk_crtc->frames > 1) { + drm_crtc_add_crc_entry(crtc, true, + drm_crtc_vblank_count(crtc), + comp->funcs->crc_entry(comp->dev)); + } + } else { + mtk_crtc->frames = 0; + } mtk_drm_finish_page_flip(mtk_crtc); } @@ -724,6 +769,40 @@ static int mtk_drm_crtc_update_output(struct drm_crtc *crtc, return 0; } +static int mtk_drm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src) +{ + if (src && strcmp(src, "auto") != 0) { + DRM_ERROR("%s(crtc-%d): unknown source '%s'\n", + __func__, drm_crtc_index(crtc), src); + return -EINVAL; + } + return 0; +} + +static int mtk_drm_crtc_verify_crc_source(struct drm_crtc *crtc, + const char *src, + size_t *cnt) +{ + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + struct mtk_ddp_comp *comp = mtk_crtc->crc_provider; + + if (!comp) { + DRM_ERROR("%s(crtc-%d): no crc provider\n", + __func__, drm_crtc_index(crtc)); + return -ENOENT; + } + + if (src && strcmp(src, "auto") != 0) { + DRM_ERROR("%s(crtc-%d): unknown source '%s'\n", + __func__, drm_crtc_index(crtc), src); + return -EINVAL; + } + + *cnt = comp->funcs->crc_cnt(comp->dev); + + return 0; +} + int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, struct mtk_plane_state *state) { @@ -860,6 +939,8 @@ static const struct drm_crtc_funcs mtk_crtc_funcs = { .atomic_destroy_state = mtk_drm_crtc_destroy_state, .enable_vblank = mtk_drm_crtc_enable_vblank, .disable_vblank = mtk_drm_crtc_disable_vblank, + .set_crc_source = mtk_drm_crtc_set_crc_source, + .verify_crc_source = mtk_drm_crtc_verify_crc_source, }; static const struct drm_crtc_helper_funcs mtk_crtc_helper_funcs = { @@ -1061,6 +1142,11 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (comp->funcs->ctm_set) has_ctm = true; + + if (comp->funcs->crc_cnt && + comp->funcs->crc_entry && + comp->funcs->crc_read) + mtk_crtc->crc_provider = comp; } mtk_ddp_comp_register_vblank_cb(comp, mtk_crtc_ddp_irq, @@ -1140,3 +1226,172 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, #endif return 0; } + +void mtk_drm_crc_init(struct mtk_drm_crc *crc, + const u32 *crc_offset_table, size_t crc_count, + u32 reset_offset, u32 reset_mask) +{ + crc->ofs = crc_offset_table; + crc->cnt = crc_count; + crc->rst_ofs = reset_offset; + crc->rst_msk = reset_mask; + crc->va = kcalloc(crc->cnt, sizeof(*crc->va), GFP_KERNEL); + if (!crc->va) { + DRM_ERROR("failed to allocate memory for crc\n"); + crc->cnt = 0; + } +} + +void mtk_drm_crc_read(struct mtk_drm_crc *crc, void __iomem *reg) +{ + if (!crc->cnt || !crc->ofs || !crc->va) + return; + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + /* sync to see the most up-to-date copy of the DMA buffer */ + dma_sync_single_for_cpu(crc->cmdq_client.chan->mbox->dev, + crc->pa, crc->cnt * sizeof(*crc->va), + DMA_FROM_DEVICE); +#else + /* read crc with cpu for the platforms without cmdq */ + { + u32 n; + + for (n = 0; n < crc->cnt; n++) + crc->va[n] = readl(reg + crc->ofs[n]); + + n = readl(reg + crc->rst_ofs); + + /* pull reset bit */ + n |= crc->rst_msk; + writel(n, reg + crc->rst_ofs); + + /* release reset bit */ + n &= ~crc->rst_msk; + writel(n, reg + crc->rst_ofs); + } +#endif +} + +void mtk_drm_crc_destroy(struct mtk_drm_crc *crc) +{ + if (!crc->cnt) + return; + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + if (crc->pa) { + dma_unmap_single(crc->cmdq_client.chan->mbox->dev, + crc->pa, crc->cnt * sizeof(*crc->va), + DMA_TO_DEVICE); + crc->pa = 0; + } + if (crc->cmdq_client.chan) { + mtk_drm_cmdq_pkt_destroy(&crc->cmdq_handle); + mbox_free_channel(crc->cmdq_client.chan); + crc->cmdq_client.chan = NULL; + } +#endif + kfree(crc->va); + crc->va = NULL; + crc->cnt = 0; +} + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) +void mtk_drm_crc_cmdq_create(struct device *dev, struct mtk_drm_crc *crc) +{ + int i; + + if (!crc->cnt) { + dev_warn(dev, "%s: not support\n", __func__); + goto cleanup; + } + + if (!crc->ofs) { + dev_warn(dev, "%s: not defined\n", __func__); + goto cleanup; + } + + crc->cmdq_client.client.dev = dev; + crc->cmdq_client.client.tx_block = false; + crc->cmdq_client.client.knows_txdone = true; + crc->cmdq_client.client.rx_callback = NULL; + crc->cmdq_client.chan = mbox_request_channel(&crc->cmdq_client.client, 0); + if (IS_ERR(crc->cmdq_client.chan)) { + dev_warn(dev, "%s: failed to create mailbox client\n", __func__); + crc->cmdq_client.chan = NULL; + goto cleanup; + } + + if (mtk_drm_cmdq_pkt_create(&crc->cmdq_client, &crc->cmdq_handle, PAGE_SIZE)) { + dev_warn(dev, "%s: failed to create cmdq packet\n", __func__); + goto cleanup; + } + + if (!crc->va) { + dev_warn(dev, "%s: no memory\n", __func__); + goto cleanup; + } + + /* map the entry to get a dma address for cmdq to store the crc */ + crc->pa = dma_map_single(crc->cmdq_client.chan->mbox->dev, + crc->va, crc->cnt * sizeof(*crc->va), + DMA_FROM_DEVICE); + + if (dma_mapping_error(crc->cmdq_client.chan->mbox->dev, crc->pa)) { + dev_err(dev, "%s: failed to map dma\n", __func__); + goto cleanup; + } + + if (crc->cmdq_event) + cmdq_pkt_wfe(&crc->cmdq_handle, crc->cmdq_event, true); + + for (i = 0; i < crc->cnt; i++) { + /* put crc to spr1 register */ + cmdq_pkt_read_s(&crc->cmdq_handle, crc->cmdq_reg->subsys, + crc->cmdq_reg->offset + crc->ofs[i], + CMDQ_THR_SPR_IDX1); + + /* copy spr1 register to physical address of the crc */ + cmdq_pkt_assign(&crc->cmdq_handle, CMDQ_THR_SPR_IDX0, + CMDQ_ADDR_HIGH(crc->pa + i * sizeof(*crc->va))); + cmdq_pkt_write_s(&crc->cmdq_handle, CMDQ_THR_SPR_IDX0, + CMDQ_ADDR_LOW(crc->pa + i * sizeof(*crc->va)), + CMDQ_THR_SPR_IDX1); + } + /* reset crc */ + mtk_ddp_write_mask(&crc->cmdq_handle, ~0, crc->cmdq_reg, 0, + crc->rst_ofs, crc->rst_msk); + + /* clear reset bit */ + mtk_ddp_write_mask(&crc->cmdq_handle, 0, crc->cmdq_reg, 0, + crc->rst_ofs, crc->rst_msk); + + /* jump to head of the cmdq packet */ + cmdq_pkt_jump(&crc->cmdq_handle, crc->cmdq_handle.pa_base); + + return; +cleanup: + mtk_drm_crc_destroy(crc); +} + +void mtk_drm_crc_cmdq_start(struct mtk_drm_crc *crc) +{ + if (!crc->cmdq_client.chan) + return; + + dma_sync_single_for_device(crc->cmdq_client.chan->mbox->dev, + crc->cmdq_handle.pa_base, + crc->cmdq_handle.cmd_buf_size, + DMA_TO_DEVICE); + mbox_send_message(crc->cmdq_client.chan, &crc->cmdq_handle); + mbox_client_txdone(crc->cmdq_client.chan, 0); +} + +void mtk_drm_crc_cmdq_stop(struct mtk_drm_crc *crc) +{ + if (!crc->cmdq_client.chan) + return; + + mbox_flush(crc->cmdq_client.chan, 2000); +} +#endif diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h index 96790f8f7a94..3440c154ad1e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h @@ -15,6 +15,45 @@ #define MTK_MAX_BPC 10 #define MTK_MIN_BPC 3 +/** + * struct mtk_drm_crc - crc related information + * @ofs: register offset of crc + * @rst_ofs: register offset of crc reset + * @rst_msk: register mask of crc reset + * @cnt: count of crc + * @va: pointer to the start of crc array + * @pa: physical address of the crc for gce to access + * @cmdq_event: the event to trigger the cmdq + * @cmdq_reg: address of the register that cmdq is going to access + * @cmdq_client: handler to control cmdq (mbox channel, thread ...etc.) + * @cmdq_handle: cmdq packet to store the commands + */ +struct mtk_drm_crc { + const u32 *ofs; + u32 rst_ofs; + u32 rst_msk; + size_t cnt; + u32 *va; +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + dma_addr_t pa; + u32 cmdq_event; + struct cmdq_client_reg *cmdq_reg; + struct cmdq_client cmdq_client; + struct cmdq_pkt cmdq_handle; +#endif +}; + +void mtk_drm_crc_init(struct mtk_drm_crc *crc, + const u32 *crc_offset_table, size_t crc_count, + u32 reset_offset, u32 reset_mask); +void mtk_drm_crc_read(struct mtk_drm_crc *crc, void __iomem *reg); +void mtk_drm_crc_destroy(struct mtk_drm_crc *crc); +#if IS_REACHABLE(CONFIG_MTK_CMDQ) +void mtk_drm_crc_cmdq_create(struct device *dev, struct mtk_drm_crc *crc); +void mtk_drm_crc_cmdq_start(struct mtk_drm_crc *crc); +void mtk_drm_crc_cmdq_stop(struct mtk_drm_crc *crc); +#endif + void mtk_drm_crtc_commit(struct drm_crtc *crtc); int mtk_drm_crtc_create(struct drm_device *drm_dev, const unsigned int *path, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 2597dd7ac0d2..af80c9e50d36 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -46,6 +46,38 @@ enum mtk_ddp_comp_type { struct mtk_ddp_comp; struct cmdq_pkt; + +/* struct mtk_ddp_comp_funcs - function pointers of the ddp components + * @clk_enable: enable the clocks of the component + * @clk_disable: disable the clocks of the component + * @config: configure the component + * @start: start (enable) the component + * @stop: stop (disable) the component + * @register_vblank_cb: to register a callback function when vblank irq occurs + * @unregister_vblank_cb: to unregister the callback function from the vblank irq + * @enable_vblank: enable vblank irq + * @disable_vblank: disable vblank irq + * @supported_rotations: return rotation capability of the component + * @layer_nr: how many layers the component supports + * @layer_check: to check if the state of the layer is valid for the component + * @layer_config: to configure the component according to the state of the layer + * @gamma_set: to set gamma for the component + * @bgclr_in_on: turn on background color + * @bgclr_in_off: turn off background color + * @ctm_set: set color transformation matrix + * @dma_dev_get: return the device that uses direct memory access + * @get_formats: get the format that is currently in use by the component + * @get_num_formats: get number of the formats that the component supports + * @connect: connect the sub modules of the component + * @disconnect: disconnect the sub modules of the component + * @add: add the device to the component (mount them in the mutex) + * @remove: remove the device from the component (unmount them from the mutex) + * @encoder_index: get the encoder index of the component + * @crc: return the start of crc array + * @crc_cnt: how many CRCs the component supports + * @crc_entry: get the pointer to the crc entry + * @crc_read: call this function to read crc from the hardware component + */ struct mtk_ddp_comp_funcs { int (*power_on)(struct device *dev); void (*power_off)(struct device *dev); @@ -84,6 +116,9 @@ struct mtk_ddp_comp_funcs { void (*add)(struct device *dev, struct mtk_mutex *mutex); void (*remove)(struct device *dev, struct mtk_mutex *mutex); int (*encoder_index)(struct device *dev); + size_t (*crc_cnt)(struct device *dev); + u32 *(*crc_entry)(struct device *dev); + void (*crc_read)(struct device *dev); }; struct mtk_ddp_comp { From patchwork Tue Oct 17 06:47:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13424644 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27D64C46CA1 for ; Tue, 17 Oct 2023 06:48:36 +0000 (UTC) DKIM-Signature: v=1; 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Mon, 16 Oct 2023 23:47:56 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 10/11] drm/mediatek: Support CRC in VDOSYS0 Date: Tue, 17 Oct 2023 14:47:16 +0800 Message-ID: <20231017064717.21616-11-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--11.669000-8.000000 X-TMASE-MatchedRID: HqqZ39pjvSi/gdQC9NfM37dQIb8hCnY+Xru95hSuhjTFHcwKL6UE/8CS 2AMm1nQC2xDStkOROV9uXpR8O0I9A+BX8Ypq0C8lj2FGM19l45eUNBZ1nwIVNEDIf3ubt7Y1BgH mCxujQvwZB0R4cFpbTeKOmN63egZIZ28ZQS4q9JwVglQa/gMvfHnUZqRb3abm1yGUyFK3oV4wKY tIU69m3cy2kfzaZ5ik5uxxxxIslOWeHTkwQi/s15fOGL7sa1Cy7f6JAS2hKPjjud2x7TPVtzFaT Rf5dTetI8xfD3DjNcUiiPRXRdfDOlsMw6s/MEEasQpfTaytNchl0qH7/7HRjkdmDSBYfnJRkOkX 3BpY1o8ULfbRmZ/onPVTqzK3F0T1Ig67HHizFeHKl4yJoI+fG47u1T4G/rnNmyiLZetSf8mfop0 ytGwvXiq2rl3dzGQ15mYVuB2ZklKG9CjyZTMuz61XIzjF142iao3lHPvMHGhaFJH3C2TwKg== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--11.669000-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 3F26785F73EF3C325E62D9D178492F318D77C9CEB3306B31B8122EC34AFADDCC2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234802_187650_6A454D27 X-CRM114-Status: GOOD ( 27.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We choose OVL as CRC generator from other hardware components that are also capable of calculating CRCs, since its frame done event triggers vblanks, it can be used as a signal to know when is safe to retrieve CRC of the frame. Please note that position of the hardware component that is chosen as CRC generator in the display path is significant. For example, while OVL is the first module in VDOSYS0, its CRC won't be affected by the modules after it, which means effects applied by PQ, Gamma, Dither or any other components after OVL won't be calculated in CRC generation. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 3 + drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 111 ++++++++++++++++++-- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 3 + 3 files changed, 109 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index c44f5b31bab5..08cc2d2fef9f 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -102,6 +102,9 @@ void mtk_ovl_enable_vblank(struct device *dev); void mtk_ovl_disable_vblank(struct device *dev); const u32 *mtk_ovl_get_formats(struct device *dev); size_t mtk_ovl_get_num_formats(struct device *dev); +size_t mtk_ovl_crc_cnt(struct device *dev); +u32 *mtk_ovl_crc_entry(struct device *dev); +void mtk_ovl_crc_read(struct device *dev); void mtk_ovl_adaptor_add_comp(struct device *dev, struct mtk_mutex *mutex); void mtk_ovl_adaptor_remove_comp(struct device *dev, struct mtk_mutex *mutex); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 75de1350e337..ecc38932fd44 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -25,6 +25,13 @@ #define OVL_FME_CPL_INT BIT(1) #define DISP_REG_OVL_INTSTA 0x0008 #define DISP_REG_OVL_EN 0x000c +#define OVL_EN BIT(0) +#define OVL_OP_8BIT_MODE BIT(4) +#define OVL_HG_FOVL_CK_ON BIT(8) +#define OVL_HF_FOVL_CK_ON BIT(10) +#define DISP_REG_OVL_TRIG 0x0010 +#define OVL_CRC_EN BIT(8) +#define OVL_CRC_CLR BIT(9) #define DISP_REG_OVL_RST 0x0014 #define DISP_REG_OVL_ROI_SIZE 0x0020 #define DISP_REG_OVL_DATAPATH_CON 0x0024 @@ -44,6 +51,8 @@ #define DISP_REG_OVL_RDMA_CTRL(n) (0x00c0 + 0x20 * (n)) #define DISP_REG_OVL_RDMA_GMC(n) (0x00c8 + 0x20 * (n)) #define DISP_REG_OVL_ADDR_MT2701 0x0040 +#define DISP_REG_OVL_CRC 0x0270 +#define OVL_CRC_OUT_MASK GENMASK(30, 0) #define DISP_REG_OVL_CLRFMT_EXT 0x02D0 #define DISP_REG_OVL_CLRFMT_EXT1 0x02D8 #define OVL_CLRFMT_EXT1_CSC_EN(n) (1 << (((n) * 4) + 1)) @@ -151,6 +160,24 @@ static const u32 mt8195_formats[] = { DRM_FORMAT_YUYV, }; +static const u32 mt8195_ovl_crc_ofs[] = { + DISP_REG_OVL_CRC, +}; + +/** + * struct mtk_disp_ovl_data - ovl driver data + * @addr: offset of the first layer (layer-0) + * @gmc_bits: gmc (gating memory clock) bit masks for adjusting positivity for ovl + * @layer_nr: layer numbers that ovl supports + * @fmt_rgb565_is_0: whether or not rgb565 is represented as 0 + * @smi_id_en: determine if smi needs to be enabled + * @supports_afbc: determine if ovl supports afbc + * @formats: format table that ovl supports + * @num_formats: number of formats that ovl supports + * @supports_clrfmt_ext: whether the ovl supports clear format (for alpha blend) + * @crc_ofs: crc offset table + * @crc_cnt: count of crc registers (could be more than one bank) + */ struct mtk_disp_ovl_data { unsigned int addr; unsigned int gmc_bits; @@ -161,12 +188,20 @@ struct mtk_disp_ovl_data { const u32 *formats; size_t num_formats; bool supports_clrfmt_ext; + const u32 *crc_ofs; + size_t crc_cnt; }; -/* +/** * struct mtk_disp_ovl - DISP_OVL driver structure * @crtc: associated crtc to report vblank events to + * @clk: clock of the ovl + * @regs: base address of the ovl register that can be accessed by cpu + * @cmdq_reg: register related info for cmdq (subsys, offset ...etc.) * @data: platform data + * @vblank_cb: callback function when vblank irq happened + * @vblank_cb_data: data to the callback function + * @crc: crc related information */ struct mtk_disp_ovl { struct drm_crtc *crtc; @@ -176,8 +211,30 @@ struct mtk_disp_ovl { const struct mtk_disp_ovl_data *data; void (*vblank_cb)(void *data); void *vblank_cb_data; + struct mtk_drm_crc crc; }; +size_t mtk_ovl_crc_cnt(struct device *dev) +{ + struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); + + return ovl->crc.cnt; +} + +u32 *mtk_ovl_crc_entry(struct device *dev) +{ + struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); + + return ovl->crc.va; +} + +void mtk_ovl_crc_read(struct device *dev) +{ + struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); + + mtk_drm_crc_read(&ovl->crc, ovl->regs); +} + static irqreturn_t mtk_disp_ovl_irq_handler(int irq, void *dev_id) { struct mtk_disp_ovl *priv = dev_id; @@ -216,7 +273,7 @@ void mtk_ovl_enable_vblank(struct device *dev) struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); writel(0x0, ovl->regs + DISP_REG_OVL_INTSTA); - writel_relaxed(OVL_FME_CPL_INT, ovl->regs + DISP_REG_OVL_INTEN); + writel(OVL_FME_CPL_INT, ovl->regs + DISP_REG_OVL_INTEN); } void mtk_ovl_disable_vblank(struct device *dev) @@ -269,14 +326,30 @@ void mtk_ovl_start(struct device *dev) */ reg |= OVL_OUTPUT_CLAMP; - writel_relaxed(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); - writel_relaxed(0x1, ovl->regs + DISP_REG_OVL_EN); + writel(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); + + reg = OVL_EN; + + if (ovl->data->crc_cnt) { + /* enable crc */ + writel(OVL_CRC_EN, ovl->regs + DISP_REG_OVL_TRIG); + /* enable crc related clocks */ + reg |= OVL_OP_8BIT_MODE | OVL_HG_FOVL_CK_ON | OVL_HF_FOVL_CK_ON; + } + writel(reg, ovl->regs + DISP_REG_OVL_EN); + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_drm_crc_cmdq_start(&ovl->crc); +#endif } void mtk_ovl_stop(struct device *dev) { struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_drm_crc_cmdq_stop(&ovl->crc); +#endif writel_relaxed(0x0, ovl->regs + DISP_REG_OVL_EN); if (ovl->data->smi_id_en) { unsigned int reg; @@ -689,15 +762,31 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) dev_err(dev, "failed to ioremap ovl\n"); return PTR_ERR(priv->regs); } + + priv->data = of_device_get_match_data(dev); + platform_set_drvdata(pdev, priv); + + if (priv->data->crc_cnt) { + mtk_drm_crc_init(&priv->crc, + priv->data->crc_ofs, priv->data->crc_cnt, + DISP_REG_OVL_TRIG, OVL_CRC_CLR); + } + #if IS_REACHABLE(CONFIG_MTK_CMDQ) ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0); if (ret) dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); -#endif - - priv->data = of_device_get_match_data(dev); - platform_set_drvdata(pdev, priv); + if (priv->data->crc_cnt) { + if (of_property_read_u32_index(dev->of_node, + "mediatek,gce-events", 0, + &priv->crc.cmdq_event)) { + dev_warn(dev, "failed to get gce-events for crc\n"); + } + priv->crc.cmdq_reg = &priv->cmdq_reg; + mtk_drm_crc_cmdq_create(dev, &priv->crc); + } +#endif ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler, IRQF_TRIGGER_NONE, dev_name(dev), priv); if (ret < 0) { @@ -718,6 +807,10 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) static void mtk_disp_ovl_remove(struct platform_device *pdev) { + struct device *dev = &pdev->dev; + struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); + + mtk_drm_crc_destroy(&ovl->crc); component_del(&pdev->dev, &mtk_disp_ovl_component_ops); pm_runtime_disable(&pdev->dev); } @@ -788,6 +881,8 @@ static const struct mtk_disp_ovl_data mt8195_ovl_driver_data = { .formats = mt8195_formats, .num_formats = ARRAY_SIZE(mt8195_formats), .supports_clrfmt_ext = true, + .crc_ofs = mt8195_ovl_crc_ofs, + .crc_cnt = ARRAY_SIZE(mt8195_ovl_crc_ofs), }; static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 9940909c7435..1118efcde98a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -349,6 +349,9 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = { .clk_enable = mtk_ovl_clk_enable, .clk_disable = mtk_ovl_clk_disable, .config = mtk_ovl_config, + .crc_cnt = mtk_ovl_crc_cnt, + .crc_entry = mtk_ovl_crc_entry, + .crc_read = mtk_ovl_crc_read, .start = mtk_ovl_start, .stop = mtk_ovl_stop, .register_vblank_cb = mtk_ovl_register_vblank_cb, From patchwork Tue Oct 17 06:47:17 2023 Content-Type: text/plain; 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Tue, 17 Oct 2023 14:47:20 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 11/11] drm/mediatek: Support CRC in VDOSYS1 Date: Tue, 17 Oct 2023 14:47:17 +0800 Message-ID: <20231017064717.21616-12-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--7.538200-8.000000 X-TMASE-MatchedRID: bHUmO6Ydv7rXldNKzKPlvawxbZnudyr73FYvKmZiVnOCsBeCv8CM/a9q iUd5V6DYAak79SdgQsDW9RHvDZKnVSUtdpGicV4RA9lly13c/gEraL2mh8ZVK35h6y4KCSJcjse 1+4fQ7uvLqCJZs0VuwGSLax1QSEcDqH7dGVt6/4kOSj4RiINDEZKLNrbpy/A0DZjzHLL3eRahBi oZvW2mjSxzuGmAt8MyuPAycf9X/Euns5Q49D70/XV7tdtvoibaGEfoClqBl86bKItl61J/yZ+in TK0bC9eKrauXd3MZDW9BjdpmOpiFz7+kssY6nfZUJ3n0pe5bZvPFRwTtIfGyXlV/+NE19rZ X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--7.538200-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 29FE47CF0718792DAAD5E3A9D4560E4510C43FF83A78B4D750A9BEE7F6544B4A2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231016_234836_254736_C71D0D7E X-CRM114-Status: GOOD ( 18.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We choose Mixer as CRC generator in VDOSYS1 since its frame done event will trigger vblanks, we can know when is safe to retrieve CRC of the frame. In VDOSYS1, there's no image procession after Mixer, unlike OVL in VDOSYS0, Mixer's CRC will include all the effects that are applied to the frame. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 3 + .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 21 ++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 3 + drivers/gpu/drm/mediatek/mtk_ethdr.c | 73 +++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_ethdr.h | 5 ++ 5 files changed, 105 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 08cc2d2fef9f..4d6e8b667bc3 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -133,6 +133,9 @@ unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev); struct device *mtk_ovl_adaptor_dma_dev_get(struct device *dev); const u32 *mtk_ovl_adaptor_get_formats(struct device *dev); size_t mtk_ovl_adaptor_get_num_formats(struct device *dev); +size_t mtk_ovl_adaptor_crc_cnt(struct device *dev); +u32 *mtk_ovl_adaptor_crc_entry(struct device *dev); +void mtk_ovl_adaptor_crc_read(struct device *dev); void mtk_rdma_bypass_shadow(struct device *dev); int mtk_rdma_clk_enable(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index b69ac90b2e65..b4329d23d22d 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -205,6 +205,27 @@ void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, mtk_ethdr_layer_config(ethdr, idx, state, cmdq_pkt); } +size_t mtk_ovl_adaptor_crc_cnt(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); + + return mtk_ethdr_crc_cnt(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); +} + +u32 *mtk_ovl_adaptor_crc_entry(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); + + return mtk_ethdr_crc_entry(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); +} + +void mtk_ovl_adaptor_crc_read(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); + + mtk_ethdr_crc_read(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); +} + void mtk_ovl_adaptor_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 1118efcde98a..ffa4868b1222 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -404,6 +404,9 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { .clk_enable = mtk_ovl_adaptor_clk_enable, .clk_disable = mtk_ovl_adaptor_clk_disable, .config = mtk_ovl_adaptor_config, + .crc_cnt = mtk_ovl_adaptor_crc_cnt, + .crc_entry = mtk_ovl_adaptor_crc_entry, + .crc_read = mtk_ovl_adaptor_crc_read, .start = mtk_ovl_adaptor_start, .stop = mtk_ovl_adaptor_stop, .layer_nr = mtk_ovl_adaptor_layer_nr, diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediatek/mtk_ethdr.c index 648e14e85bd0..3fec052212ca 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -24,6 +24,9 @@ #define MIX_FME_CPL_INTEN BIT(1) #define MIX_INTSTA 0x8 #define MIX_EN 0xc +#define MIX_TRIG 0x10 +#define MIX_TRIG_CRC_EN BIT(8) +#define MIX_TRIG_CRC_RST BIT(9) #define MIX_RST 0x14 #define MIX_ROI_SIZE 0x18 #define MIX_DATAPATH_CON 0x1c @@ -39,6 +42,11 @@ #define PREMULTI_SOURCE (3 << 12) #define MIX_L_SRC_SIZE(n) (0x30 + 0x18 * (n)) #define MIX_L_SRC_OFFSET(n) (0x34 + 0x18 * (n)) + +/* CRC register offsets for odd and even lines */ +#define MIX_CRC_ODD 0x110 +#define MIX_CRC_EVEN 0x114 + #define MIX_FUNC_DCM0 0x120 #define MIX_FUNC_DCM1 0x124 #define MIX_FUNC_DCM_ENABLE 0xffffffff @@ -74,6 +82,17 @@ struct mtk_ethdr_comp { struct cmdq_client_reg cmdq_base; }; +/** + * struct mtk_ethdr - ethdr driver data + * @ethdr_comp: components of ethdr(mixer) + * @ethdr_clk: clocks of ethdr components + * @mmsys_dev: mmsys device that ethdr binds to + * @vblank_cb: callback function when vblank irq occurs + * @vblank_cb_data: data fo vblank callback + * @irq: irq that triggers irq handler + * @reset_ctl: reset control of ethdr + * @crc: crc information + */ struct mtk_ethdr { struct mtk_ethdr_comp ethdr_comp[ETHDR_ID_MAX]; struct clk_bulk_data ethdr_clk[ETHDR_CLK_NUM]; @@ -82,6 +101,7 @@ struct mtk_ethdr { void *vblank_cb_data; int irq; struct reset_control *reset_ctl; + struct mtk_drm_crc crc; }; static const char * const ethdr_clk_str[] = { @@ -100,6 +120,32 @@ static const char * const ethdr_clk_str[] = { "vdo_be_async", }; +static const u32 ethdr_crc_ofs[] = { + MIX_CRC_ODD, + MIX_CRC_EVEN, +}; + +size_t mtk_ethdr_crc_cnt(struct device *dev) +{ + struct mtk_ethdr *priv = dev_get_drvdata(dev); + + return priv->crc.cnt; +} + +u32 *mtk_ethdr_crc_entry(struct device *dev) +{ + struct mtk_ethdr *priv = dev_get_drvdata(dev); + + return priv->crc.va; +} + +void mtk_ethdr_crc_read(struct device *dev) +{ + struct mtk_ethdr *priv = dev_get_drvdata(dev); + + mtk_drm_crc_read(&priv->crc, priv->ethdr_comp[ETHDR_MIXER].regs); +} + void mtk_ethdr_register_vblank_cb(struct device *dev, void (*vblank_cb)(void *), void *vblank_cb_data) @@ -267,6 +313,13 @@ void mtk_ethdr_start(struct device *dev) struct mtk_ethdr_comp *mixer = &priv->ethdr_comp[ETHDR_MIXER]; writel(1, mixer->regs + MIX_EN); + + if (priv->crc.cnt) { + writel(MIX_TRIG_CRC_EN, mixer->regs + MIX_TRIG); +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_drm_crc_cmdq_start(&priv->crc); +#endif + } } void mtk_ethdr_stop(struct device *dev) @@ -274,6 +327,9 @@ void mtk_ethdr_stop(struct device *dev) struct mtk_ethdr *priv = dev_get_drvdata(dev); struct mtk_ethdr_comp *mixer = &priv->ethdr_comp[ETHDR_MIXER]; +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_drm_crc_cmdq_stop(&priv->crc); +#endif writel(0, mixer->regs + MIX_EN); writel(1, mixer->regs + MIX_RST); reset_control_reset(priv->reset_ctl); @@ -328,6 +384,10 @@ static int mtk_ethdr_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; + mtk_drm_crc_init(&priv->crc, + ethdr_crc_ofs, ARRAY_SIZE(ethdr_crc_ofs), + MIX_TRIG, MIX_TRIG_CRC_RST); + for (i = 0; i < ETHDR_ID_MAX; i++) { priv->ethdr_comp[i].dev = dev; priv->ethdr_comp[i].regs = of_iomap(dev->of_node, i); @@ -336,6 +396,16 @@ static int mtk_ethdr_probe(struct platform_device *pdev) &priv->ethdr_comp[i].cmdq_base, i); if (ret) dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); + + if (i == ETHDR_MIXER) { + if (of_property_read_u32_index(dev->of_node, + "mediatek,gce-events", i, + &priv->crc.cmdq_event)) { + dev_warn(dev, "failed to get gce-events for crc\n"); + } + priv->crc.cmdq_reg = &priv->ethdr_comp[i].cmdq_base; + mtk_drm_crc_cmdq_create(dev, &priv->crc); + } #endif dev_dbg(dev, "[DRM]regs:0x%p, node:%d\n", priv->ethdr_comp[i].regs, i); } @@ -376,6 +446,9 @@ static int mtk_ethdr_probe(struct platform_device *pdev) static int mtk_ethdr_remove(struct platform_device *pdev) { + struct mtk_ethdr *priv = dev_get_drvdata(&pdev->dev); + + mtk_drm_crc_destroy(&priv->crc); component_del(&pdev->dev, &mtk_ethdr_component_ops); return 0; } diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.h b/drivers/gpu/drm/mediatek/mtk_ethdr.h index 81af9edea3f7..d17d7256bd12 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.h +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.h @@ -22,4 +22,9 @@ void mtk_ethdr_register_vblank_cb(struct device *dev, void mtk_ethdr_unregister_vblank_cb(struct device *dev); void mtk_ethdr_enable_vblank(struct device *dev); void mtk_ethdr_disable_vblank(struct device *dev); + +size_t mtk_ethdr_crc_cnt(struct device *dev); +u32 *mtk_ethdr_crc_entry(struct device *dev); +void mtk_ethdr_crc_read(struct device *dev); + #endif