[PATCH v4 1/2] drm/msm/dpu: Set input_sel bit for INTF

From: Jessica Zhang
Date: Wed Dec 13 2023 - 16:32:48 EST


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

Reported-by: Rob Clark <robdclark@xxxxxxxxx>
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@xxxxxxxxxxx>
---
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 | 9 +++++++--
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h | 3 ++-
4 files changed, 11 insertions(+), 5 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 0b6a0a7dcc39..226133af7840 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -322,7 +322,7 @@ 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 25af52ab602f..bbc9756ecde9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
@@ -85,7 +85,7 @@ 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 0b05061e3e62..6752cfe62481 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
@@ -475,9 +475,13 @@ 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;

@@ -488,7 +492,8 @@ 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 fe083b2e5696..cd0fa1d0984e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
@@ -357,7 +357,8 @@ 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,

--
2.43.0