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drm/i915: Extract lrr_params_changed()

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Pull the "do we actually need a LRR update?" checks into a small
helper for clarity.

Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2025-01-16 22:16:34 +02:00
parent 1f1b673cec
commit ff118b4f0c
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/i915/display/intel_display.c
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@@ -6067,6 +6067,13 @@ static int intel_modeset_checks(struct intel_atomic_state *state)
return 0;
}
static bool lrr_params_changed(const struct drm_display_mode *old_adjusted_mode,
const struct drm_display_mode *new_adjusted_mode)
{
return old_adjusted_mode->crtc_vblank_end != new_adjusted_mode->crtc_vblank_end ||
old_adjusted_mode->crtc_vtotal != new_adjusted_mode->crtc_vtotal;
}
static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_state,
struct intel_crtc_state *new_crtc_state)
{
@@ -6087,8 +6094,8 @@ static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_sta
&new_crtc_state->dp_m_n))
new_crtc_state->update_m_n = false;
if ((old_crtc_state->hw.adjusted_mode.crtc_vtotal == new_crtc_state->hw.adjusted_mode.crtc_vtotal &&
old_crtc_state->hw.adjusted_mode.crtc_vblank_end == new_crtc_state->hw.adjusted_mode.crtc_vblank_end))
if (!lrr_params_changed(&old_crtc_state->hw.adjusted_mode,
&new_crtc_state->hw.adjusted_mode))
new_crtc_state->update_lrr = false;
if (intel_crtc_needs_modeset(new_crtc_state))