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 | 10 ++++++++-- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h | 3 ++- 4 files changed, 12 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..9a882ba2ab17 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c @@ -477,7 +477,8 @@ 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) + bool enable, u32 frame_count, + u8 input_sel) { u32 config = 0; @@ -487,8 +488,13 @@ void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c, wmb(); if (enable) { + /* + * note: Aside from encoders, input_sel should be + * set to 0x0 by default + */ 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
