diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbdev_fb.c | 25 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbdev_fb.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_initial_plane.c | 3 |
3 files changed, 20 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c index e5251ed15948..90993d09a73f 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c @@ -17,6 +17,22 @@ u32 intel_fbdev_fb_pitch_align(u32 stride) return ALIGN(stride, 64); } +bool intel_fbdev_fb_prefer_stolen(struct drm_device *drm, unsigned int size) +{ + struct drm_i915_private *i915 = to_i915(drm); + + /* Skip stolen on MTL as Wa_22018444074 mitigation. */ + if (IS_METEORLAKE(i915)) + return false; + + /* + * If the FB is too big, just don't use it since fbdev is not very + * important and we should probably use that space with FBC or other + * features. + */ + return i915->dsm.usable_size >= size * 2; +} + struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size) { struct drm_i915_private *i915 = to_i915(drm); @@ -28,14 +44,7 @@ struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size I915_BO_ALLOC_CONTIGUOUS | I915_BO_ALLOC_USER); } else { - /* - * If the FB is too big, just don't use it since fbdev is not very - * important and we should probably use that space with FBC or other - * features. - * - * Also skip stolen on MTL as Wa_22018444074 mitigation. - */ - if (!IS_METEORLAKE(i915) && size * 2 < i915->dsm.usable_size) + if (intel_fbdev_fb_prefer_stolen(drm, size)) obj = i915_gem_object_create_stolen(i915, size); if (IS_ERR(obj)) obj = i915_gem_object_create_shmem(i915, size); diff --git a/drivers/gpu/drm/i915/display/intel_fbdev_fb.h b/drivers/gpu/drm/i915/display/intel_fbdev_fb.h index fd0b3775dc1f..34ed2b9c2b4f 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev_fb.h +++ b/drivers/gpu/drm/i915/display/intel_fbdev_fb.h @@ -19,5 +19,6 @@ struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size void intel_fbdev_fb_bo_destroy(struct drm_gem_object *obj); int intel_fbdev_fb_fill_info(struct drm_device *drm, struct fb_info *info, struct drm_gem_object *obj, struct i915_vma *vma); +bool intel_fbdev_fb_prefer_stolen(struct drm_device *drm, unsigned int size); #endif diff --git a/drivers/gpu/drm/i915/i915_initial_plane.c b/drivers/gpu/drm/i915/i915_initial_plane.c index 7fb52d81f7b6..5594548f51d8 100644 --- a/drivers/gpu/drm/i915/i915_initial_plane.c +++ b/drivers/gpu/drm/i915/i915_initial_plane.c @@ -9,6 +9,7 @@ #include "display/intel_crtc.h" #include "display/intel_display_types.h" #include "display/intel_fb.h" +#include "display/intel_fbdev_fb.h" #include "gem/i915_gem_lmem.h" #include "gem/i915_gem_region.h" @@ -116,7 +117,7 @@ initial_plane_vma(struct drm_i915_private *i915, */ if (IS_ENABLED(CONFIG_FRAMEBUFFER_CONSOLE) && mem == i915->mm.stolen_region && - size * 2 > i915->dsm.usable_size) { + !intel_fbdev_fb_prefer_stolen(&i915->drm, size)) { drm_dbg_kms(&i915->drm, "Initial FB size exceeds half of stolen, discarding\n"); return NULL; } |