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drm/i915/lobf: Add fixed refresh rate check in compute_config()

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LOBF can be enabled with vrr fixed rate mode, so add check
if vmin = vmax = flipline in compute_config().

Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://lore.kernel.org/r/20250423092334.2294483-6-animesh.manna@intel.com
This commit is contained in:
Animesh Manna
2025-04-23 14:53:28 +05:30
parent 504766382e
commit 2c809080d2
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/display/intel_alpm.c
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@@ -290,6 +290,10 @@ void intel_alpm_lobf_compute_config(struct intel_dp *intel_dp,
if (crtc_state->has_psr)
return;
if (crtc_state->vrr.vmin != crtc_state->vrr.vmax ||
crtc_state->vrr.vmin != crtc_state->vrr.flipline)
return;
if (!(intel_alpm_aux_wake_supported(intel_dp) ||
intel_alpm_aux_less_wake_supported(intel_dp)))
return;