aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp_mst.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index a32498c7826a..de608c8ee7b9 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -43,6 +43,7 @@
#include "intel_dpio_phy.h"
#include "intel_hdcp.h"
#include "intel_hotplug.h"
+#include "intel_vdsc.h"
#include "skl_scaler.h"
static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp,
@@ -298,6 +299,18 @@ static int intel_dp_mst_update_slots(struct intel_encoder *encoder,
}
static bool
+intel_dp_mst_dsc_source_support(const struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
+
+ /*
+ * FIXME: Enabling DSC on ICL results in blank screen and FIFO pipe /
+ * transcoder underruns, re-enable DSC after fixing this issue.
+ */
+ return DISPLAY_VER(i915) >= 12 && intel_dsc_source_support(crtc_state);
+}
+
+static bool
intel_dp_mst_compute_config_limits(struct intel_dp *intel_dp,
struct intel_crtc_state *crtc_state,
bool dsc,
@@ -375,6 +388,9 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
str_yes_no(ret),
str_yes_no(intel_dp->force_dsc_en));
+ if (!intel_dp_mst_dsc_source_support(pipe_config))
+ return -EINVAL;
+
if (!intel_dp_mst_compute_config_limits(intel_dp,
pipe_config,
true,