linux-kernel - [PATCH 2/2] drm/msm/dpu: Set input

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Message-ID: <20231130-encoder-fixup-v1-2-585c54cd046e@quicinc.com>
Date:   Thu, 30 Nov 2023 17:30:34 -0800
From:   Jessica Zhang <quic_jesszhan@...cinc.com>
To:     Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        "Daniel Vetter" <daniel@...ll.ch>
CC:     <quic_abhinavk@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Subject: [PATCH 2/2] drm/msm/dpu: Set input_sel bit for INTF

Set the input_sel bit for encoders as it was missed in the initial
implementation.

Reported-by: Rob Clark <robdclark@...il.com>
Fixes: 91143873a05d ("drm/msm/dpu: Add MISR register support for interface")
Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/39
Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c   | 2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c | 7 ++++++-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h | 4 +++-
 4 files changed, 11 insertions(+), 4 deletions(-)

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 3442cf65b86f..d0884997ecb7 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -320,7 +320,7 @@ static u32 dpu_hw_intf_get_line_count(struct dpu_hw_intf *intf)
 
 static void dpu_hw_intf_setup_misr(struct dpu_hw_intf *intf)
 {
-	dpu_hw_setup_misr(&intf->hw, INTF_MISR_CTRL);
+	dpu_hw_setup_misr(&intf->hw, INTF_MISR_CTRL, true);
 }
 
 static int dpu_hw_intf_collect_misr(struct dpu_hw_intf *intf, u32 *misr_value)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
index f38473e68f79..77b14107c84a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
@@ -83,7 +83,7 @@ static void dpu_hw_lm_setup_border_color(struct dpu_hw_mixer *ctx,
 
 static void dpu_hw_lm_setup_misr(struct dpu_hw_mixer *ctx)
 {
-	dpu_hw_setup_misr(&ctx->hw, LM_MISR_CTRL);
+	dpu_hw_setup_misr(&ctx->hw, LM_MISR_CTRL, false);
 }
 
 static int dpu_hw_lm_collect_misr(struct dpu_hw_mixer *ctx, u32 *misr_value)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
index a8a0a4e76b94..f441df47fdde 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
@@ -481,7 +481,8 @@ void _dpu_hw_setup_qos_lut(struct dpu_hw_blk_reg_map *c, u32 offset,
 		      cfg->danger_safe_en ? QOS_QOS_CTRL_DANGER_SAFE_EN : 0);
 }
 
-void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c, u32 misr_ctrl_offset)
+void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c, u32 misr_ctrl_offset,
+		bool set_input_sel)
 {
 	u32 config = 0;
 
@@ -491,6 +492,10 @@ void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c, u32 misr_ctrl_offset)
 	wmb();
 
 	config = MISR_FRAME_COUNT | MISR_CTRL_ENABLE | MISR_CTRL_FREE_RUN_MASK;
+
+	if (set_input_sel)
+		config |= MISR_CTRL_INPUT_SEL;
+
 	DPU_REG_WRITE(c, misr_ctrl_offset, config);
 }
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
index bb496ebe283b..793670d62414 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
@@ -17,6 +17,7 @@
 #define MISR_CTRL_ENABLE                BIT(8)
 #define MISR_CTRL_STATUS                BIT(9)
 #define MISR_CTRL_STATUS_CLEAR          BIT(10)
+#define MISR_CTRL_INPUT_SEL             BIT(24)
 #define MISR_CTRL_FREE_RUN_MASK         BIT(31)
 
 /*
@@ -357,7 +358,8 @@ void _dpu_hw_setup_qos_lut(struct dpu_hw_blk_reg_map *c, u32 offset,
 			   bool qos_8lvl,
 			   const struct dpu_hw_qos_cfg *cfg);
 
-void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c, u32 misr_ctrl_offset);
+void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c, u32 misr_ctrl_offset,
+		       bool set_input_sel);
 
 int dpu_hw_collect_misr(struct dpu_hw_blk_reg_map *c,
 		u32 misr_ctrl_offset,

-- 
2.43.0