[PATCH RFT 08/14] drm/msm/a6xx: Replace '2' with BIT(1) in level2_swizzling_dis calc

Konrad Dybcio konradybcio at kernel.org
Thu May 8 18:12:40 UTC 2025


From: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>

ubwc_swizzle is a bitmask. Check for a bit to make it more obvious.

Signed-off-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index d47726ea8818a9660eadd52d97dde1489a884684..afe4fa8e9325988af37ff12adb61faae66d746ba 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -662,12 +662,12 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
 	u8 uavflagprd_inv = adreno_is_a650_family(adreno_gpu) || adreno_is_a7xx(adreno_gpu) ? 2 : 0;
 	const struct qcom_ubwc_cfg_data *cfg = adreno_gpu->common_ubwc_cfg;
+	u32 level2_swizzling_dis = !(cfg->ubwc_swizzle & BIT(1));
 	u32 hbb = adreno_gpu->ubwc_config.highest_bank_bit;
 	bool ubwc_mode = cfg->ubwc_enc_version == UBWC_1_0;
 	bool amsbc = cfg->ubwc_enc_version >= UBWC_3_0;
 	u32 hbb_hi = hbb >> 2;
 	u32 hbb_lo = hbb & 3;
-	u32 level2_swizzling_dis = !(adreno_gpu->ubwc_config.ubwc_swizzle & 2);
 
 	gpu_write(gpu, REG_A6XX_RB_NC_MODE_CNTL,
 		  level2_swizzling_dis << 12 |

-- 
2.49.0



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