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drm/i915: Simplify intel_dsc_source_support()

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We can simplify the icl check in intel_dsc_source_support()
by noting that the only case when DSC is not supported is when
using transcoder A.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124192638.26262-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2022-01-24 21:26:35 +02:00
parent 9f807822ab
commit df216b3733
1 changed files with 1 additions and 6 deletions
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7
drivers/gpu/drm/i915/display/intel_vdsc.c
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@@ -341,19 +341,14 @@ bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state)
const struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); const struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *i915 = to_i915(crtc->base.dev); struct drm_i915_private *i915 = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
enum pipe pipe = crtc->pipe;
if (!INTEL_INFO(i915)->display.has_dsc) if (!INTEL_INFO(i915)->display.has_dsc)
return false; return false;
/* On TGL, DSC is supported on all Pipes */
if (DISPLAY_VER(i915) >= 12) if (DISPLAY_VER(i915) >= 12)
return true; return true;
if (DISPLAY_VER(i915) >= 11 && if (DISPLAY_VER(i915) >= 11 && cpu_transcoder != TRANSCODER_A)
(pipe != PIPE_A || cpu_transcoder == TRANSCODER_EDP ||
cpu_transcoder == TRANSCODER_DSI_0 ||
cpu_transcoder == TRANSCODER_DSI_1))
return true; return true;
return false; return false;