linux-kernel - [PATCH v5 16/30] drm/msm/dpu: get rid of DPU_PINGPONG

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Message-Id: <20250522-dpu-drop-features-v5-16-3b2085a07884@oss.qualcomm.com>
Date: Thu, 22 May 2025 22:03:35 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Vinod Koul <vkoul@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [PATCH v5 16/30] drm/msm/dpu: get rid of DPU_PINGPONG_DSC

From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Continue migration to the MDSS-revision based checks and replace
DPU_PINGPONG_DSC feature bit with the core_major_ver < 7 check.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_7_msm8996.h | 4 ----
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c          | 7 ++-----
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h          | 2 --
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c         | 2 +-
 4 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_7_msm8996.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_7_msm8996.h
index 8fe07a5683f734a058e7e7250f0811e3b7b7cf07..0e8e71775f2c1c38af018353c85ffeb6ccddb42f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_7_msm8996.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_7_msm8996.h
@@ -181,28 +181,24 @@ static const struct dpu_pingpong_cfg msm8996_pp[] = {
 	{
 		.name = "pingpong_0", .id = PINGPONG_0,
 		.base = 0x70000, .len = 0xd4,
-		.features = PINGPONG_MSM8996_MASK,
 		.sblk = &msm8996_pp_sblk,
 		.intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
 		.intr_rdptr = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12),
 	}, {
 		.name = "pingpong_1", .id = PINGPONG_1,
 		.base = 0x70800, .len = 0xd4,
-		.features = PINGPONG_MSM8996_MASK,
 		.sblk = &msm8996_pp_sblk,
 		.intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
 		.intr_rdptr = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 13),
 	}, {
 		.name = "pingpong_2", .id = PINGPONG_2,
 		.base = 0x71000, .len = 0xd4,
-		.features = PINGPONG_MSM8996_MASK,
 		.sblk = &msm8996_pp_sblk,
 		.intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 10),
 		.intr_rdptr = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 14),
 	}, {
 		.name = "pingpong_3", .id = PINGPONG_3,
 		.base = 0x71800, .len = 0xd4,
-		.features = PINGPONG_MSM8996_MASK,
 		.sblk = &msm8996_pp_sblk,
 		.intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 11),
 		.intr_rdptr = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 15),
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index df1eeb9082f74ab734c235f0cd0baf8c0eda14b5..75b679cd2bd27dd25971489a2d3a6f516b248235 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -95,14 +95,11 @@
 #define MIXER_QCM2290_MASK \
 	(BIT(DPU_DIM_LAYER) | BIT(DPU_MIXER_COMBINED_ALPHA))
 
-#define PINGPONG_MSM8996_MASK \
-	(BIT(DPU_PINGPONG_DSC))
-
 #define PINGPONG_SDM845_MASK \
-	(BIT(DPU_PINGPONG_DITHER) | BIT(DPU_PINGPONG_DSC))
+	(BIT(DPU_PINGPONG_DITHER))
 
 #define PINGPONG_SM8150_MASK \
-	(BIT(DPU_PINGPONG_DITHER) | BIT(DPU_PINGPONG_DSC))
+	(BIT(DPU_PINGPONG_DITHER))
 
 #define WB_SDM845_MASK (BIT(DPU_WB_LINE_MODE) | \
 			 BIT(DPU_WB_UBWC) | \
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
index bc71ec9a5bc8b6e15d7af13c42ba5d4197729822..ac63f753b43615f7c34d2da51fce919fd77142bf 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -118,14 +118,12 @@ enum {
  * @DPU_PINGPONG_SPLIT      PP block supports split fifo
  * @DPU_PINGPONG_SLAVE      PP block is a suitable slave for split fifo
  * @DPU_PINGPONG_DITHER     Dither blocks
- * @DPU_PINGPONG_DSC        PP block supports DSC
  * @DPU_PINGPONG_MAX
  */
 enum {
 	DPU_PINGPONG_SPLIT = 0x1,
 	DPU_PINGPONG_SLAVE,
 	DPU_PINGPONG_DITHER,
-	DPU_PINGPONG_DSC,
 	DPU_PINGPONG_MAX
 };
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
index 36c0ec775b92036eaab26e1fa5331579651ac27c..49e03ecee9e8b567a3f809b977deb83731006ac0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
@@ -319,7 +319,7 @@ struct dpu_hw_pingpong *dpu_hw_pingpong_init(struct drm_device *dev,
 		c->ops.disable_autorefresh = dpu_hw_pp_disable_autorefresh;
 	}
 
-	if (test_bit(DPU_PINGPONG_DSC, &cfg->features)) {
+	if (mdss_rev->core_major_ver < 7) {
 		c->ops.setup_dsc = dpu_hw_pp_setup_dsc;
 		c->ops.enable_dsc = dpu_hw_pp_dsc_enable;
 		c->ops.disable_dsc = dpu_hw_pp_dsc_disable;

-- 
2.39.5