From: Ville Syrjälä Date: Thu, 30 Apr 2026 15:46:02 +0000 (+0300) Subject: drm/xe: Respect pin_params.alignment for GGTT X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=775fb670745015d679a65f948b3da0fbff3f100c;p=thirdparty%2Fkernel%2Flinux.git drm/xe: Respect pin_params.alignment for GGTT Fix __xe_pin_fb_vma_ggtt() to actually respect the GGTT alignment specified by the display code. Misalignment can cause GTT faults etc. Signed-off-by: Ville Syrjälä Link: https://patch.msgid.link/20260430154602.11393-2-ville.syrjala@linux.intel.com Reviewed-by: Juha-Pekka Heikkila --- diff --git a/drivers/gpu/drm/xe/display/xe_fb_pin.c b/drivers/gpu/drm/xe/display/xe_fb_pin.c index 9dc8d66d0faa..f1082382d759 100644 --- a/drivers/gpu/drm/xe/display/xe_fb_pin.c +++ b/drivers/gpu/drm/xe/display/xe_fb_pin.c @@ -285,7 +285,7 @@ static int __xe_pin_fb_vma_ggtt(struct drm_gem_object *obj, */ guard(xe_pm_runtime_noresume)(xe); - align = XE_PAGE_SIZE; + align = max(XE_PAGE_SIZE, pin_params->alignment); if (xe_bo_is_vram(bo) && xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K) align = max(align, SZ_64K);