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drm/i915/vrr: Disable CMRR

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Switching between variable and fixed timings is possible as for that we
just need to flip between VRR timings. However for CMRR along with the
timings, few other bits also need to be changed on the fly, which might
cause issues. So disable CMRR for now, till we have variable and fixed
timings sorted out.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311093751.1329043-5-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal
2025-03-11 15:07:47 +05:30
parent 58f9466c82
commit a15b20e509
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/intel_vrr.c
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@@ -182,7 +182,8 @@ is_cmrr_frac_required(struct intel_crtc_state *crtc_state)
int calculated_refresh_k, actual_refresh_k, pixel_clock_per_line;
struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
if (!HAS_CMRR(display))
/* Avoid CMRR for now till we have VRR with fixed timings working */
if (!HAS_CMRR(display) || true)
return false;
actual_refresh_k =