From: Michel Dänzer Date: Thu, 5 Nov 2015 08:25:28 +0000 (+0900) Subject: drm/radeon: Only prompt for enabling PAT when we'd allow write-combining X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=938204985c1c46c28a88cb558d9e38610044b67a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/radeon: Only prompt for enabling PAT when we'd allow write-combining No use bothering users about this for whom we disable write-combining for other reasons anyway. Reviewed-by: Christian König Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index dda2ecfbf056..84d45633d28c 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -241,8 +241,9 @@ int radeon_bo_create(struct radeon_device *rdev, #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \ thanks to write-combining - DRM_INFO_ONCE("Please enable CONFIG_MTRR and CONFIG_X86_PAT for " - "better performance thanks to write-combining\n"); + if (bo->flags & RADEON_GEM_GTT_WC) + DRM_INFO_ONCE("Please enable CONFIG_MTRR and CONFIG_X86_PAT for " + "better performance thanks to write-combining\n"); bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); #endif