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Lin" , Singo Chang , Nancy Lin , Shawn Sung , , Jeffrey Kardatzke Subject: [PATCH v2 07/11] drm/mediatek: Add secure layer config support for ovl Date: Mon, 23 Oct 2023 12:45:44 +0800 Message-ID: <20231023044549.21412-8-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231023044549.21412-1-jason-jh.lin@mediatek.com> References: <20231023044549.21412-1-jason-jh.lin@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-20231022_214632_157059_AE0F43A1 X-CRM114-Status: GOOD ( 18.60 ) 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 secure layer config support for ovl. Signed-off-by: Jason-JH.Lin --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 3 ++ drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 31 +++++++++++++++++-- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 12 +++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 ++ 4 files changed, 46 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 2254038519e1..dec937b183a8 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -9,6 +9,7 @@ #include #include #include +#include "mtk_drm_ddp_comp.h" #include "mtk_drm_plane.h" #include "mtk_mdp_rdma.h" @@ -79,6 +80,7 @@ void mtk_ovl_clk_disable(struct device *dev); void mtk_ovl_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx); int mtk_ovl_layer_check(struct device *dev, unsigned int idx, struct mtk_plane_state *mtk_state); void mtk_ovl_layer_config(struct device *dev, unsigned int idx, @@ -112,6 +114,7 @@ void mtk_ovl_adaptor_clk_disable(struct device *dev); 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); +u64 mtk_ovl_adaptor_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx); void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, struct mtk_plane_state *state, struct cmdq_pkt *cmdq_pkt); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 2bffe4245466..76e832e4875a 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -46,6 +46,7 @@ #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) #define DISP_REG_OVL_HDR_PITCH(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x08) +#define DISP_REG_OVL_SECURE 0x0fc0 #define GMC_THRESHOLD_BITS 16 #define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) @@ -126,8 +127,19 @@ struct mtk_disp_ovl { const struct mtk_disp_ovl_data *data; void (*vblank_cb)(void *data); void *vblank_cb_data; + resource_size_t regs_pa; }; +u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx) +{ + if (comp->id == DDP_COMPONENT_OVL0) + return 1ULL << CMDQ_SEC_DISP_OVL0; + else if (comp->id == DDP_COMPONENT_OVL1) + return 1ULL << CMDQ_SEC_DISP_OVL1; + + return 0; +} + static irqreturn_t mtk_disp_ovl_irq_handler(int irq, void *dev_id) { struct mtk_disp_ovl *priv = dev_id; @@ -449,8 +461,22 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, DISP_REG_OVL_SRC_SIZE(idx)); mtk_ddp_write_relaxed(cmdq_pkt, offset, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_OFFSET(idx)); - mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, - DISP_REG_OVL_ADDR(ovl, idx)); + + if (state->pending.is_sec) { + const struct drm_format_info *fmt_info = drm_format_info(fmt); + unsigned int buf_size = (pending->height - 1) * pending->pitch + + pending->width * fmt_info->cpp[0]; + + mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_SECURE, BIT(idx)); + mtk_ddp_sec_write(cmdq_pkt, ovl->regs_pa + DISP_REG_OVL_ADDR(ovl, idx), + pending->addr, CMDQ_IWC_H_2_MVA, 0, buf_size, 0); + } else { + mtk_ddp_write_mask(cmdq_pkt, 0, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_SECURE, BIT(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_ADDR(ovl, idx)); + } if (is_afbc) { mtk_ddp_write_relaxed(cmdq_pkt, hdr_addr, &ovl->cmdq_reg, ovl->regs, @@ -529,6 +555,7 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->regs_pa = res->start; priv->regs = devm_ioremap_resource(dev, res); if (IS_ERR(priv->regs)) { dev_err(dev, "failed to ioremap ovl\n"); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 6bf6367853fb..28a0bccfb0b9 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -83,6 +83,18 @@ static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = { [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, 0 }, }; +static const u64 ovl_adaptor_sec_port[] = { + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L0, + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L1, + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L2, + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L3, +}; + +u64 mtk_ovl_adaptor_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx) +{ + return ovl_adaptor_sec_port[idx]; +} + void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, struct mtk_plane_state *state, 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 3dca936b9143..eec3a1cc2ed4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -373,6 +373,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = { .bgclr_in_off = mtk_ovl_bgclr_in_off, .get_formats = mtk_ovl_get_formats, .get_num_formats = mtk_ovl_get_num_formats, + .get_sec_port = mtk_ovl_get_sec_port, }; static const struct mtk_ddp_comp_funcs ddp_postmask = { @@ -424,6 +425,7 @@ 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, + .get_sec_port = mtk_ovl_adaptor_get_sec_port, }; static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {