linux-kernel - [PATCH v3 14/33] drm/msm/dpu: get rid of DPU_INTF_STATUS

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Message-Id: <20250424-dpu-drop-features-v3-14-cdaca81d356f@oss.qualcomm.com>
Date: Thu, 24 Apr 2025 12:30:18 +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: 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 v3 14/33] drm/msm/dpu: get rid of DPU_INTF_STATUS_SUPPORTED

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

Continue migration to the MDSS-revision based checks and replace
DPU_INTF_STATUS_SUPPORTED feature bit with the core_major_ver >= 5
check.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 3 +--
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 2 --
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c    | 3 +--
 3 files changed, 2 insertions(+), 6 deletions(-)

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 20f4700ef9969003cfa4728049b9737cb9eb6229..8808be27593b303a2a199a740827c92ea5339b0d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -111,8 +111,7 @@
 	(BIT(DPU_PINGPONG_DITHER) | BIT(DPU_PINGPONG_DSC))
 
 #define INTF_SC7180_MASK \
-	(BIT(DPU_INTF_INPUT_CTRL) | \
-	 BIT(DPU_INTF_STATUS_SUPPORTED))
+	(BIT(DPU_INTF_INPUT_CTRL))
 
 #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 36100e21135fba09fcafdd5d36ac919cd17f63c0..858fd73e0ac3a92fe402001d4796eb86945f61b0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -145,12 +145,10 @@ enum {
  * INTF sub-blocks
  * @DPU_INTF_INPUT_CTRL             Supports the setting of pp block from which
  *                                  pixel data arrives to this INTF
- * @DPU_INTF_STATUS_SUPPORTED       INTF block has INTF_STATUS register
  * @DPU_INTF_MAX
  */
 enum {
 	DPU_INTF_INPUT_CTRL = 0x1,
-	DPU_INTF_STATUS_SUPPORTED,
 	DPU_INTF_MAX
 };
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
index 8f9733aad2dec3a9b5464d55b00f350348842911..54c2e984ef0ce604e3eda49595d2816ea41bd7fd 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -308,9 +308,8 @@ static void dpu_hw_intf_get_status(
 		struct dpu_hw_intf_status *s)
 {
 	struct dpu_hw_blk_reg_map *c = &intf->hw;
-	unsigned long cap = intf->cap->features;
 
-	if (cap & BIT(DPU_INTF_STATUS_SUPPORTED))
+	if (intf->mdss_ver->core_major_ver >= 5)
 		s->is_en = DPU_REG_READ(c, INTF_STATUS) & BIT(0);
 	else
 		s->is_en = DPU_REG_READ(c, INTF_TIMING_ENGINE_EN);

-- 
2.39.5