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drm/xe: Respect pin_params.alignment for GGTT

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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 <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260430154602.11393-2-ville.syrjala@linux.intel.com
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
This commit is contained in:
Ville Syrjälä 2026-04-30 18:46:02 +03:00
parent 53bfcc08af
commit 775fb67074
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/xe/display/xe_fb_pin.c
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@ -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);