This is a note to let you know that I've just added the patch titled
drm/msm/dpu: Set input_sel bit for INTF
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-msm-dpu-set-input_sel-bit-for-intf.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 66100d7a4a4ba4ef2aff5eed867b442295b97c5c
Author: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
Date: Wed Dec 13 13:30:17 2023 -0800
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@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>
Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
Patchwork: https://patchwork.freedesktop.org/patch/572007/
Link: https://lore.kernel.org/r/20231213-encoder-fixup-v4-1-6da6cd1bf118@xxxxxxxxxxx
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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 8ec6505d9e78..bce8783d644c 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, 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 d1c3bd8379ea..a34cf8c979cb 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, 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 9d2273fd2fed..da04a914b065 100644
--- 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 1f6079f47071..f7061fcc97f7 100644
--- 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,
