DSC was not supported on Pipe A for previous platforms. Tigerlake onwards,
all the pipes support DSC. Hence, the DSC and FEC restriction on
Pipe A needs to be removed.
v2: Changes in the logic around removing the restriction around
Pipe A (Manasi, Lucas)
Cc: Manasi Navare <manasi.d.nav...@intel.com>
Signed-off-by: Madhumitha Tolakanahalli Pradeep
<madhumitha.tolakanahalli.prad...@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
b/drivers/gpu/drm/i915/display/intel_dp.c
index 4884c87c8ed7..e2c8fe274c84 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1739,8 +1739,14 @@ static bool intel_dp_source_supports_fec(struct intel_dp
*intel_dp,
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- return INTEL_GEN(dev_priv) >= 11 &&
- pipe_config->cpu_transcoder != TRANSCODER_A;
+ /* On TGL, FEC is supported on all Pipes */
+ if (INTEL_GEN(dev_priv) >= 12)
+ return true;
+
+ if (IS_GEN(dev_priv, 11) && pipe_config->cpu_transcoder != TRANSCODER_A)
+ return true;
+
+ return false;
}
static bool intel_dp_supports_fec(struct intel_dp *intel_dp,
@@ -1755,8 +1761,15 @@ static bool intel_dp_source_supports_dsc(struct intel_dp
*intel_dp,
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- return INTEL_GEN(dev_priv) >= 10 &&
- pipe_config->cpu_transcoder != TRANSCODER_A;
+ /* On TGL, DSC is supported on all Pipes */
+ if (INTEL_GEN(dev_priv) >= 12)
+ return true;
+
+ if (INTEL_GEN(dev_priv) >= 10 &&
+ pipe_config->cpu_transcoder != TRANSCODER_A)
+ return true;
+
+ return false;
}
static bool intel_dp_supports_dsc(struct intel_dp *intel_dp,
--
2.17.1
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