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Mon, 30 Oct 2023 17:03:13 +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; Mon, 30 Oct 2023 17:03:13 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , "CK Hu" , Sean Paul CC: Chun-Kuang Hu , Daniel Vetter , David Airlie , Matthias Brugger , Philipp Zabel , , , , , Hsiao Chien Sung Subject: [PATCH v2 1/1] drm/mediatek: Fix errors when reporting rotation capability Date: Mon, 30 Oct 2023 17:03:12 +0800 Message-ID: <20231030090312.7758-2-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231030090312.7758-1-shawn.sung@mediatek.com> References: <20231030090312.7758-1-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--5.845500-8.000000 X-TMASE-MatchedRID: 2T4BY0PVJD8ijAXMyA8nC+7KTDtx8Cgg6SXuwUgGH0hbKBBN5zqG8AYB 5gsbo0L8o5qw/iFKtvaIJs0Up7vkWIPN2a+Tga3SFYJUGv4DL3yZ2scyRQceryI9JQsGBsNv1Fv g6E0U6v+4+90dmk+Zo+3NnYNx6mdYKGxJMBjfwlWxCl9NrK01yIv8pidhVYOU/vhiW664SDOrKq FreRg70NAOjQU9UCdqp9q9Zbsl6Oa72iRvlw4XNp4CIKY/Hg3AGdQnQSTrKGPEQdG7H66TyMdRT 5TQAJnA6oja9AxlelDUKCQ01ZUHMmpdp3WWW7eFiT0Pr/5TunGeqD9WtJkSIw== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--5.845500-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 8FB96CD340DE745395AEC7BD8EDD4C0A760F1B1D46FA0E65C709EFE94C49C5442000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231030_020424_472626_BA554F4A X-CRM114-Status: GOOD ( 17.67 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org For CRTCs that doesn't support rotation should still return DRM_MODE_ROTATE_0. Returns hardware capabilities accordingly. Fixes: 84d805753983 ("drm/mediatek: Support reflect-y plane rotation") Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 1 + drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 30 ++++++++++--------- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 5 ++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 + drivers/gpu/drm/mediatek/mtk_drm_plane.c | 2 +- 5 files changed, 24 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 4d6e8b667bc3..c5afeb7c5527 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -127,6 +127,7 @@ void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(vo void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev); void mtk_ovl_adaptor_enable_vblank(struct device *dev); void mtk_ovl_adaptor_disable_vblank(struct device *dev); +unsigned int mtk_ovl_adaptor_supported_rotations(struct device *dev); void mtk_ovl_adaptor_start(struct device *dev); void mtk_ovl_adaptor_stop(struct device *dev); unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index ecc38932fd44..bca7b2f4b1d9 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -177,6 +177,7 @@ static const u32 mt8195_ovl_crc_ofs[] = { * @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) + * @rotations: supported rotations */ struct mtk_disp_ovl_data { unsigned int addr; @@ -190,6 +191,7 @@ struct mtk_disp_ovl_data { bool supports_clrfmt_ext; const u32 *crc_ofs; size_t crc_cnt; + unsigned int rotations; }; /** @@ -415,35 +417,26 @@ unsigned int mtk_ovl_layer_nr(struct device *dev) unsigned int mtk_ovl_supported_rotations(struct device *dev) { - return DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 | - DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y; + struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); + + return ovl->data->rotations ?: DRM_MODE_ROTATE_0; } int mtk_ovl_layer_check(struct device *dev, unsigned int idx, struct mtk_plane_state *mtk_state) { struct drm_plane_state *state = &mtk_state->base; - unsigned int rotation = 0; - rotation = drm_rotation_simplify(state->rotation, - DRM_MODE_ROTATE_0 | - DRM_MODE_REFLECT_X | - DRM_MODE_REFLECT_Y); - rotation &= ~DRM_MODE_ROTATE_0; - - /* We can only do reflection, not rotation */ - if ((rotation & DRM_MODE_ROTATE_MASK) != 0) + if (state->rotation & ~mtk_ovl_supported_rotations(dev)) return -EINVAL; /* * TODO: Rotating/reflecting YUV buffers is not supported at this time. * Only RGB[AX] variants are supported. */ - if (state->fb->format->is_yuv && rotation != 0) + if (state->fb->format->is_yuv && (state->rotation & ~DRM_MODE_ROTATE_0)) return -EINVAL; - state->rotation = rotation; - return 0; } @@ -883,6 +876,15 @@ static const struct mtk_disp_ovl_data mt8195_ovl_driver_data = { .supports_clrfmt_ext = true, .crc_ofs = mt8195_ovl_crc_ofs, .crc_cnt = ARRAY_SIZE(mt8195_ovl_crc_ofs), + + /* + * although OVL only supports reflections on MT8195, + * reflect x + reflect y = rotate 180 + */ + .rotations = DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_180 | + DRM_MODE_REFLECT_X | + DRM_MODE_REFLECT_Y, }; static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = { diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 4398db9a6276..b0d3ebdba93a 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -383,6 +383,11 @@ void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(vo vblank_cb, vblank_cb_data); } +unsigned int mtk_ovl_adaptor_supported_rotations(struct device *dev) +{ + return DRM_MODE_ROTATE_0; +} + void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev) { struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index ffa4868b1222..206dd6f6f99e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -422,6 +422,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { .remove = mtk_ovl_adaptor_remove_comp, .get_formats = mtk_ovl_adaptor_get_formats, .get_num_formats = mtk_ovl_adaptor_get_num_formats, + .supported_rotations = mtk_ovl_adaptor_supported_rotations, }; static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index e2ec61b69618..894c39a38a58 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -344,7 +344,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, return err; } - if (supported_rotations & ~DRM_MODE_ROTATE_0) { + if (supported_rotations) { err = drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, supported_rotations);