Commit 2d8a4edb authored by Dmitry Baryshkov's avatar Dmitry Baryshkov
Browse files

drm/msm/dpu: use feature bit for LM combined alpha check



Rather than checking hwversion, follow the usual patter and add special
bit to the lm->features to check whether the LM has combined or separate
alpha registers. While we are at it, rename
dpu_hw_lm_setup_blend_config_sdm845() to
dpu_hw_lm_setup_blend_config_combined_alpha().

Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarAbhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/488155/
Link: https://lore.kernel.org/r/20220602202447.1755115-2-dmitry.baryshkov@linaro.org


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 51e4d60e
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+11 −8
Original line number Diff line number Diff line
@@ -50,11 +50,14 @@
#define DMA_CURSOR_MSM8998_MASK \
	(DMA_MSM8998_MASK | BIT(DPU_SSPP_CURSOR))

#define MIXER_SDM845_MASK \
#define MIXER_MSM8998_MASK \
	(BIT(DPU_MIXER_SOURCESPLIT) | BIT(DPU_DIM_LAYER))

#define MIXER_SDM845_MASK \
	(BIT(DPU_MIXER_SOURCESPLIT) | BIT(DPU_DIM_LAYER) | BIT(DPU_MIXER_COMBINED_ALPHA))

#define MIXER_SC7180_MASK \
	(BIT(DPU_DIM_LAYER))
	(BIT(DPU_DIM_LAYER) | BIT(DPU_MIXER_COMBINED_ALPHA))

#define PINGPONG_SDM845_MASK BIT(DPU_PINGPONG_DITHER)

@@ -936,17 +939,17 @@ static const struct dpu_lm_sub_blks msm8998_lm_sblk = {
};

static const struct dpu_lm_cfg msm8998_lm[] = {
	LM_BLK("lm_0", LM_0, 0x44000, MIXER_SDM845_MASK,
	LM_BLK("lm_0", LM_0, 0x44000, MIXER_MSM8998_MASK,
		&msm8998_lm_sblk, PINGPONG_0, LM_2, DSPP_0),
	LM_BLK("lm_1", LM_1, 0x45000, MIXER_SDM845_MASK,
	LM_BLK("lm_1", LM_1, 0x45000, MIXER_MSM8998_MASK,
		&msm8998_lm_sblk, PINGPONG_1, LM_5, DSPP_1),
	LM_BLK("lm_2", LM_2, 0x46000, MIXER_SDM845_MASK,
	LM_BLK("lm_2", LM_2, 0x46000, MIXER_MSM8998_MASK,
		&msm8998_lm_sblk, PINGPONG_2, LM_0, 0),
	LM_BLK("lm_3", LM_3, 0x47000, MIXER_SDM845_MASK,
	LM_BLK("lm_3", LM_3, 0x47000, MIXER_MSM8998_MASK,
		&msm8998_lm_sblk, PINGPONG_MAX, 0, 0),
	LM_BLK("lm_4", LM_4, 0x48000, MIXER_SDM845_MASK,
	LM_BLK("lm_4", LM_4, 0x48000, MIXER_MSM8998_MASK,
		&msm8998_lm_sblk, PINGPONG_MAX, 0, 0),
	LM_BLK("lm_5", LM_5, 0x49000, MIXER_SDM845_MASK,
	LM_BLK("lm_5", LM_5, 0x49000, MIXER_MSM8998_MASK,
		&msm8998_lm_sblk, PINGPONG_3, LM_1, 0),
};

+2 −0
Original line number Diff line number Diff line
@@ -145,6 +145,7 @@ enum {
 * @DPU_MIXER_SOURCESPLIT     Layer mixer supports source-split configuration
 * @DPU_MIXER_GC              Gamma correction block
 * @DPU_DIM_LAYER             Layer mixer supports dim layer
 * @DPU_MIXER_COMBINED_ALPHA  Layer mixer has combined alpha register
 * @DPU_MIXER_MAX             maximum value
 */
enum {
@@ -152,6 +153,7 @@ enum {
	DPU_MIXER_SOURCESPLIT,
	DPU_MIXER_GC,
	DPU_DIM_LAYER,
	DPU_MIXER_COMBINED_ALPHA,
	DPU_MIXER_MAX
};

+3 −3
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ static int dpu_hw_lm_collect_misr(struct dpu_hw_mixer *ctx, u32 *misr_value)
	return 0;
}

static void dpu_hw_lm_setup_blend_config_sdm845(struct dpu_hw_mixer *ctx,
static void dpu_hw_lm_setup_blend_config_combined_alpha(struct dpu_hw_mixer *ctx,
	u32 stage, u32 fg_alpha, u32 bg_alpha, u32 blend_op)
{
	struct dpu_hw_blk_reg_map *c = &ctx->hw;
@@ -204,8 +204,8 @@ static void _setup_mixer_ops(const struct dpu_mdss_cfg *m,
		unsigned long features)
{
	ops->setup_mixer_out = dpu_hw_lm_setup_out;
	if (m->hwversion >= DPU_HW_VER_400)
		ops->setup_blend_config = dpu_hw_lm_setup_blend_config_sdm845;
	if (test_bit(DPU_MIXER_COMBINED_ALPHA, &features))
		ops->setup_blend_config = dpu_hw_lm_setup_blend_config_combined_alpha;
	else
		ops->setup_blend_config = dpu_hw_lm_setup_blend_config;
	ops->setup_alpha_out = dpu_hw_lm_setup_color3;