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drm/i915/fb: Add debug spew for misaligned CC plane

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We're currently failing to provide any debug output when the
user passes in a misaligned offset for the clear color plane.
Add some debugs prints to make debugging actually possible.

Cc: Sagar Ghuge <sagar.ghuge@intel.com>
Cc: Nanley Chery <nanley.g.chery@intel.com>
Cc: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241129065014.8363-3-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
This commit is contained in:
Ville Syrjälä 2024-11-29 08:50:12 +02:00
parent ed3a892e5e
commit 0bd39e303e
1 changed files with 7 additions and 3 deletions
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10
drivers/gpu/drm/i915/display/intel_fb.c
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@ -1694,10 +1694,14 @@ int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *
* arithmetic related to alignment and offset calculation.
*/
if (is_gen12_ccs_cc_plane(&fb->base, i)) {
if (IS_ALIGNED(fb->base.offsets[i], 64))
continue;
else
if (!IS_ALIGNED(fb->base.offsets[i], 64)) {
drm_dbg_kms(&i915->drm,
"fb misaligned clear color plane %d offset (0x%x)\n",
i, fb->base.offsets[i]);
return -EINVAL;
}
continue;
}
intel_fb_plane_dims(fb, i, &width, &height);