From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Pull the "do we actually need a LRR update?" checks into a small
helper for clarity.
Cc: Paz Zcharya <p...@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c
b/drivers/gpu/drm/i915/display/intel_display.c
index fa398d7d1baa..9b42d980ed7e 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -6081,6 +6081,13 @@ 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)
{
@@ -6101,8 +6108,8 @@ 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))
--
2.45.2
