[PATCH RFT v2 09/15] drm/msm/a6xx: Resolve the meaning of rgb565_predicator
Konrad Dybcio
konradybcio at kernel.org
Wed May 14 15:10:29 UTC 2025
From: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
It's supposed to be on when the UBWC encoder version is >= 4.0.
Drop the per-GPU assignments.
Signed-off-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 0a08837ab01b724489baeb217cc49779ddcdf146..5ee5f8dc90fe0d1647ce07b7dbcadc6ca2ecd416 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -592,7 +592,6 @@ static int a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
if (IS_ERR(gpu->common_ubwc_cfg))
return -EINVAL;
- gpu->ubwc_config.rgb565_predicator = 0;
gpu->ubwc_config.min_acc_len = 0;
gpu->ubwc_config.ubwc_swizzle = 0x6;
gpu->ubwc_config.macrotile_mode = 0;
@@ -619,7 +618,6 @@ static int a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
if (adreno_is_a623(gpu)) {
gpu->ubwc_config.highest_bank_bit = 16;
- gpu->ubwc_config.rgb565_predicator = 1;
gpu->ubwc_config.macrotile_mode = 1;
}
@@ -633,13 +631,11 @@ static int a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
adreno_is_a740_family(gpu)) {
/* TODO: get ddr type from bootloader and use 2 for LPDDR4 */
gpu->ubwc_config.highest_bank_bit = 16;
- gpu->ubwc_config.rgb565_predicator = 1;
gpu->ubwc_config.macrotile_mode = 1;
}
if (adreno_is_a663(gpu)) {
gpu->ubwc_config.highest_bank_bit = 13;
- gpu->ubwc_config.rgb565_predicator = 1;
gpu->ubwc_config.macrotile_mode = 1;
gpu->ubwc_config.ubwc_swizzle = 0x4;
}
@@ -669,6 +665,7 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
*/
BUG_ON(adreno_gpu->ubwc_config.highest_bank_bit < 13);
u32 hbb = adreno_gpu->ubwc_config.highest_bank_bit - 13;
+ bool rgb565_predicator = cfg->ubwc_enc_version >= UBWC_4_0;
u32 level2_swizzling_dis = !(cfg->ubwc_swizzle & BIT(1));
bool ubwc_mode = qcom_ubwc_get_ubwc_mode(cfg);
bool amsbc = cfg->ubwc_enc_version >= UBWC_3_0;
@@ -677,7 +674,7 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
gpu_write(gpu, REG_A6XX_RB_NC_MODE_CNTL,
level2_swizzling_dis << 12 |
- adreno_gpu->ubwc_config.rgb565_predicator << 11 |
+ rgb565_predicator << 11 |
hbb_hi << 10 | amsbc << 4 |
adreno_gpu->ubwc_config.min_acc_len << 3 |
hbb_lo << 1 | ubwc_mode);
--
2.49.0
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