From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Date: Wed, 20 May 2026 14:51:23 +0000 (+0300)
Subject: drm/msm/adreno: set fp16compoptdis for UBWC 3.0 formats
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca65f7f7545ea5277c3b78842b40b9fd81d40378;p=thirdparty%2Fkernel%2Flinux.git

drm/msm/adreno: set fp16compoptdis for UBWC 3.0 formats

The fp16compoptdis bit should be set if the system targets UBWC 3.0
format in addition to UBWC 4.0.

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/726507/
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-16-72f2749bc807@oss.qualcomm.com
---

diff --git a/drivers/gpu/drm/msm/adreno/a8xx_gpu.c b/drivers/gpu/drm/msm/adreno/a8xx_gpu.c
index 7a6223ddd8cf6..867c7d05f670e 100644
--- a/drivers/gpu/drm/msm/adreno/a8xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a8xx_gpu.c
@@ -303,6 +303,7 @@ static void a8xx_set_ubwc_config(struct msm_gpu *gpu)
 		break;
 	case UBWC_3_0:
 		amsbc = true;
+		fp16compoptdis = true;
 		break;
 	default:
 		dev_err(&gpu->pdev->dev, "Unknown UBWC version: 0x%x\n", ubwc_version);