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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2f00828ccc6e..5feb65725c04 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2946,7 +2946,7 @@ u32 intel_plane_obj_offset(struct intel_plane *intel_plane,
struct i915_vma *vma;
u64 offset;
- intel_fill_fb_ggtt_view(&view, intel_plane->base.fb,
+ intel_fill_fb_ggtt_view(&view, intel_plane->base.state->fb,
intel_plane->base.state);
vma = i915_gem_obj_to_ggtt_view(obj, &view);
@@ -12075,11 +12075,21 @@ connected_sink_compute_bpp(struct intel_connector *connector,
pipe_config->pipe_bpp = connector->base.display_info.bpc*3;
}
- /* Clamp bpp to 8 on screens without EDID 1.4 */
- if (connector->base.display_info.bpc == 0 && bpp > 24) {
- DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n",
- bpp);
- pipe_config->pipe_bpp = 24;
+ /* Clamp bpp to default limit on screens without EDID 1.4 */
+ if (connector->base.display_info.bpc == 0) {
+ int type = connector->base.connector_type;
+ int clamp_bpp = 24;
+
+ /* Fall back to 18 bpp when DP sink capability is unknown. */
+ if (type == DRM_MODE_CONNECTOR_DisplayPort ||
+ type == DRM_MODE_CONNECTOR_eDP)
+ clamp_bpp = 18;
+
+ if (bpp > clamp_bpp) {
+ DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of %d\n",
+ bpp, clamp_bpp);
+ pipe_config->pipe_bpp = clamp_bpp;
+ }
}
}
@@ -13883,11 +13893,12 @@ intel_check_primary_plane(struct drm_plane *plane,
int max_scale = DRM_PLANE_HELPER_NO_SCALING;
bool can_position = false;
- /* use scaler when colorkey is not required */
- if (INTEL_INFO(plane->dev)->gen >= 9 &&
- state->ckey.flags == I915_SET_COLORKEY_NONE) {
- min_scale = 1;
- max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
+ if (INTEL_INFO(plane->dev)->gen >= 9) {
+ /* use scaler when colorkey is not required */
+ if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
+ min_scale = 1;
+ max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
+ }
can_position = true;
}