On 07/10/2021 10:08, Vinod Koul wrote:
In SDM845, DSC can be enabled by writing to pingpong block registers, so add support for DSC in hw_pp
Reviewed-by: Abhinav Kumar abhinavk@codeaurora.org Signed-off-by: Vinod Koul vkoul@kernel.org
Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org
.../gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c | 32 +++++++++++++++++++ .../gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h | 14 ++++++++ 2 files changed, 46 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c index 55766c97c4c8..47c6ab6caf95 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c @@ -28,6 +28,9 @@ #define PP_FBC_MODE 0x034 #define PP_FBC_BUDGET_CTL 0x038 #define PP_FBC_LOSSY_MODE 0x03C +#define PP_DSC_MODE 0x0a0 +#define PP_DCE_DATA_IN_SWAP 0x0ac +#define PP_DCE_DATA_OUT_SWAP 0x0c8
#define PP_DITHER_EN 0x000 #define PP_DITHER_BITDEPTH 0x004 @@ -245,6 +248,32 @@ static u32 dpu_hw_pp_get_line_count(struct dpu_hw_pingpong *pp) return line; }
+static int dpu_hw_pp_dsc_enable(struct dpu_hw_pingpong *pp) +{
- struct dpu_hw_blk_reg_map *c = &pp->hw;
- DPU_REG_WRITE(c, PP_DSC_MODE, 1);
- return 0;
+}
+static void dpu_hw_pp_dsc_disable(struct dpu_hw_pingpong *pp) +{
- struct dpu_hw_blk_reg_map *c = &pp->hw;
- DPU_REG_WRITE(c, PP_DSC_MODE, 0);
+}
+static int dpu_hw_pp_setup_dsc(struct dpu_hw_pingpong *pp) +{
- struct dpu_hw_blk_reg_map *pp_c = &pp->hw;
- int data;
- data = DPU_REG_READ(pp_c, PP_DCE_DATA_OUT_SWAP);
- data |= BIT(18); /* endian flip */
- DPU_REG_WRITE(pp_c, PP_DCE_DATA_OUT_SWAP, data);
- return 0;
+}
- static void _setup_pingpong_ops(struct dpu_hw_pingpong *c, unsigned long features) {
@@ -256,6 +285,9 @@ static void _setup_pingpong_ops(struct dpu_hw_pingpong *c, c->ops.get_autorefresh = dpu_hw_pp_get_autorefresh_config; c->ops.poll_timeout_wr_ptr = dpu_hw_pp_poll_timeout_wr_ptr; c->ops.get_line_count = dpu_hw_pp_get_line_count;
c->ops.setup_dsc = dpu_hw_pp_setup_dsc;
c->ops.enable_dsc = dpu_hw_pp_dsc_enable;
c->ops.disable_dsc = dpu_hw_pp_dsc_disable;
if (test_bit(DPU_PINGPONG_DITHER, &features)) c->ops.setup_dither = dpu_hw_pp_setup_dither;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h index 89d08a715c16..12758468d9ca 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h @@ -124,6 +124,20 @@ struct dpu_hw_pingpong_ops { */ void (*setup_dither)(struct dpu_hw_pingpong *pp, struct dpu_hw_dither_cfg *cfg);
/**
* Enable DSC*/int (*enable_dsc)(struct dpu_hw_pingpong *pp);
/**
* Disable DSC*/void (*disable_dsc)(struct dpu_hw_pingpong *pp);
/**
* Setup DSC*/int (*setup_dsc)(struct dpu_hw_pingpong *pp); };
struct dpu_hw_merge_3d;