drm/msm/dpu: Set input_sel bit for INTF

[ Upstream commit 980fffd0c69e5df0f67ee089d405899d532aeeab ]

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

Reported-by: Rob Clark <robdclark@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/39
Fixes: 91143873a05d ("drm/msm/dpu: Add MISR register support for interface")
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/572007/
Link: https://lore.kernel.org/r/20231213-encoder-fixup-v4-1-6da6cd1bf118@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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 8ec6505..bce8783 100644 (file)
--- 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, bool enable, u32 frame_count)
 {
-       dpu_hw_setup_misr(&intf->hw, INTF_MISR_CTRL, enable, frame_count);
+       dpu_hw_setup_misr(&intf->hw, INTF_MISR_CTRL, enable, frame_count, 0x1);
 }
 
 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 d1c3bd8..a34cf8c 100644 (file)
--- 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, bool enable, u32 frame_count)
 {
-       dpu_hw_setup_misr(&ctx->hw, LM_MISR_CTRL, enable, frame_count);
+       dpu_hw_setup_misr(&ctx->hw, LM_MISR_CTRL, enable, frame_count, 0x0);
 }
 
 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 9d2273f..da04a91 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
@@ -481,9 +481,13 @@ 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);
 }
 
+/*
+ * note: Aside from encoders, input_sel should be set to 0x0 by default
+ */
 void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c,
                u32 misr_ctrl_offset,
-               bool enable, u32 frame_count)
+               bool enable, u32 frame_count,
+               u8 input_sel)
 {
        u32 config = 0;
 
@@ -494,7 +498,8 @@ void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c,
 
        if (enable) {
                config = (frame_count & MISR_FRAME_COUNT_MASK) |
-                       MISR_CTRL_ENABLE | MISR_CTRL_FREE_RUN_MASK;
+                       MISR_CTRL_ENABLE | MISR_CTRL_FREE_RUN_MASK |
+                       ((input_sel & 0xF) << 24);
 
                DPU_REG_WRITE(c, misr_ctrl_offset, config);
        } else {

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 1f6079f..f7061fc 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
@@ -360,7 +360,8 @@ void _dpu_hw_setup_qos_lut(struct dpu_hw_blk_reg_map *c, u32 offset,
 void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c,
                u32 misr_ctrl_offset,
                bool enable,
-               u32 frame_count);
+               u32 frame_count,
+               u8 input_sel);
 
 int dpu_hw_collect_misr(struct dpu_hw_blk_reg_map *c,
                u32 misr_ctrl_offset,