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drm/msm/adreno: use version ranges in A8xx UBWC code

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In order to simplify handling of UBWC minor revisions (like 3.1 or 4.3)
use version ranges instead of a case switch.

Reviewed-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/726506/
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-18-72f2749bc807@oss.qualcomm.com
This commit is contained in:
Dmitry Baryshkov 2026-05-20 17:51:25 +03:00
parent 82595de3ef
commit 579f661140
1 changed files with 17 additions and 19 deletions
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36
drivers/gpu/drm/msm/adreno/a8xx_gpu.c
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@ -286,26 +286,24 @@ static void a8xx_set_ubwc_config(struct msm_gpu *gpu)
u32 hbb, hbb_hi, hbb_lo, mode;
u8 uavflagprd_inv = 2;
switch (ubwc_version) {
case UBWC_6_0:
yuvnotcomptofc = true;
rgb565_predicator = true;
break;
case UBWC_5_0:
rgb565_predicator = true;
break;
case UBWC_4_0:
rgb565_predicator = true;
fp16compoptdis = true;
rgba8888_lossless = true;
break;
case UBWC_3_0:
fp16compoptdis = true;
break;
default:
if (ubwc_version > UBWC_6_0)
dev_err(&gpu->pdev->dev, "Unknown UBWC version: 0x%x\n", ubwc_version);
break;
}
if (ubwc_version == UBWC_6_0)
yuvnotcomptofc = true;
if (ubwc_version < UBWC_5_0 &&
ubwc_version >= UBWC_4_0)
rgba8888_lossless = true;
if (ubwc_version < UBWC_4_3)
fp16compoptdis = true;
if (cfg->ubwc_enc_version >= UBWC_4_0)
rgb565_predicator = true;
if (ubwc_version < UBWC_3_0)
dev_err(&gpu->pdev->dev, "Unsupported UBWC version: 0x%x\n", ubwc_version);
mode = qcom_ubwc_version_tag(cfg);