diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2025-10-22 19:10:54 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2025-10-24 11:31:43 +0300 |
| commit | 0790925dadad0997580df6e32cdccd54316807f2 (patch) | |
| tree | b48e1d8a61c6ca1e028081ad7a437c46d93a7351 /drivers/gpu/drm/i915/display/intel_fbdev_fb.c | |
| parent | 68aeace1b15ae5eaa37566fa6f09a2cbc6399a70 (diff) | |
drm/{i915,xe}/fbdev: add intel_fbdev_fb_pitch_align()
For reasons still unknown, xe appears to require a stride alignment of
XE_PAGE_SIZE, and using 64 leads to sporadic failures. Go back to having
separate stride alignment for i915 and xe, until the issue is root
caused.
v2: Add FIXME comment, reference issue with Link (Ville)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Maarten Lankhorst <maarten@lankhorst.se>
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/6220
Fixes: 4a36b339a14a ("drm/xe/fbdev: use the same 64-byte stride alignment as i915")
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/ae51d1e224048bdc87bf7a56d8f5ebd0fbb6a383.1756931441.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/20251022161054.708388-1-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fbdev_fb.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbdev_fb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c index 56b145841473..0838fdd37254 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c @@ -10,6 +10,11 @@ #include "i915_drv.h" #include "intel_fbdev_fb.h" +u32 intel_fbdev_fb_pitch_align(u32 stride) +{ + return ALIGN(stride, 64); +} + struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size) { struct drm_i915_private *dev_priv = to_i915(drm); |