diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fb.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fb.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c index a005c68889e7..c60a81a81c09 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fb.c @@ -355,8 +355,17 @@ static int intel_fb_offset_to_xy(int *x, int *y, unsigned int height; u32 alignment; - if (DISPLAY_VER(i915) >= 12 && - is_semiplanar_uv_plane(fb, color_plane)) + /* + * All DPT color planes must be 512*4k aligned (the amount mapped by a + * single DPT page). For ADL_P CCS FBs this only works by requiring + * the allocated offsets to be 2MB aligned. Once supoort to remap + * such FBs is added we can remove this requirement, as then all the + * planes can be remapped to an aligned offset. + */ + if (IS_ALDERLAKE_P(i915) && is_ccs_modifier(fb->modifier)) + alignment = 512 * 4096; + else if (DISPLAY_VER(i915) >= 12 && + is_semiplanar_uv_plane(fb, color_plane)) alignment = intel_tile_row_size(fb, color_plane); else if (fb->modifier != DRM_FORMAT_MOD_LINEAR) alignment = intel_tile_size(i915); |