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-rw-r--r--drivers/gpu/drm/drm_ioctl.c6
-rw-r--r--drivers/gpu/drm/i915/intel_display.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c3
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 2300ab1..cf85155 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -277,6 +277,12 @@ int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_priv)
case DRM_CAP_VBLANK_HIGH_CRTC:
req->value = 1;
break;
+ case DRM_CAP_DUMB_PREFERRED_DEPTH:
+ req->value = dev->mode_config.preferred_depth;
+ break;
+ case DRM_CAP_DUMB_PREFER_SHADOW:
+ req->value = dev->mode_config.prefer_shadow;
+ break;
default:
return -EINVAL;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index dfa6744..0a8a640 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9089,6 +9089,9 @@ void intel_modeset_init(struct drm_device *dev)
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
+ dev->mode_config.preferred_depth = 24;
+ dev->mode_config.prefer_shadow = 1;
+
dev->mode_config.funcs = (void *)&intel_mode_funcs;
intel_init_quirks(dev);
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 5515f10..7cb062d 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1240,6 +1240,9 @@ int radeon_modeset_init(struct radeon_device *rdev)
rdev->ddev->mode_config.max_height = 4096;
}
+ rdev->ddev->mode_config.preferred_depth = 24;
+ rdev->ddev->mode_config.prefer_shadow = 1;
+
rdev->ddev->mode_config.fb_base = rdev->mc.aper_base;
ret = radeon_modeset_create_props(rdev);
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