From 5c2efbb3725d79e2b1bff2af2fd1e1f83efe7287 Mon Sep 17 00:00:00 2001 From: Konrad Dybcio Date: Mon, 5 May 2025 13:13:40 +0200 Subject: [PATCH] drm/msm/a6xx: Disable rgb565_predicator on Adreno 7c3 [ Upstream commit 5a9c1bea011fb42088ba08ceaa252fb20e695626 ] This feature is supposed to be enabled with UBWC v4 or later. Implementations of this SKU feature an effective UBWC version of 3, so disable it, in line with the BSP kernel. Reported-by: Dmitry Baryshkov Reviewed-by: Akhil P Oommen Fixes: 192f4ee3e408 ("drm/msm/a6xx: Add support for Adreno 7c Gen 3 gpu") Signed-off-by: Konrad Dybcio Patchwork: https://patchwork.freedesktop.org/patch/651759/ Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index d903ad9c0b5f..d2189441aa38 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -554,7 +554,6 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu) if (adreno_is_7c3(gpu)) { gpu->ubwc_config.highest_bank_bit = 14; gpu->ubwc_config.amsbc = 1; - gpu->ubwc_config.rgb565_predicator = 1; gpu->ubwc_config.uavflagprd_inv = 2; gpu->ubwc_config.macrotile_mode = 1; }