linux-kernel - [PATCH v2 13/33] drm/msm/dpu: get rid of DPU_DATA_HCTL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250424-dpu-drop-features-v2-13-0a9a66a7b3a2@oss.qualcomm.com>
Date: Thu, 24 Apr 2025 00:10:09 +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 <lumag@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>
Subject: [PATCH v2 13/33] drm/msm/dpu: get rid of DPU_DATA_HCTL_EN

From: Dmitry Baryshkov <lumag@...nel.org>

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

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 3 +--
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 3 ---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c    | 2 +-
 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 22ca093419059600f0ad7e1e7a0a4e443b977860..20f4700ef9969003cfa4728049b9737cb9eb6229 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -112,8 +112,7 @@
 
 #define INTF_SC7180_MASK \
 	(BIT(DPU_INTF_INPUT_CTRL) | \
-	 BIT(DPU_INTF_STATUS_SUPPORTED) | \
-	 BIT(DPU_DATA_HCTL_EN))
+	 BIT(DPU_INTF_STATUS_SUPPORTED))
 
 #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 27422a5a340b90ee02f36a87cf1bab9d97504c76..36100e21135fba09fcafdd5d36ac919cd17f63c0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -145,14 +145,11 @@ enum {
  * INTF sub-blocks
  * @DPU_INTF_INPUT_CTRL             Supports the setting of pp block from which
  *                                  pixel data arrives to this INTF
- * @DPU_DATA_HCTL_EN                Allows data to be transferred at different rate
- *                                  than video timing
  * @DPU_INTF_STATUS_SUPPORTED       INTF block has INTF_STATUS register
  * @DPU_INTF_MAX
  */
 enum {
 	DPU_INTF_INPUT_CTRL = 0x1,
-	DPU_DATA_HCTL_EN,
 	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 1d56c21ac79095ab515aeb485346e1eb5793c260..8f9733aad2dec3a9b5464d55b00f350348842911 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -237,7 +237,7 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *intf,
 	DPU_REG_WRITE(c, INTF_FRAME_LINE_COUNT_EN, 0x3);
 	DPU_REG_WRITE(c, INTF_CONFIG, intf_cfg);
 	DPU_REG_WRITE(c, INTF_PANEL_FORMAT, panel_format);
-	if (intf->cap->features & BIT(DPU_DATA_HCTL_EN)) {
+	if (intf->mdss_ver->core_major_ver >= 5) {
 		/*
 		 * DATA_HCTL_EN controls data timing which can be different from
 		 * video timing. It is recommended to enable it for all cases, except

-- 
2.39.5