From: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: ville.syrjala@linux.intel.com, jani.nikula@linux.intel.com,
navaremanasi@google.com,
Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Subject: [PATCH 3/6] drm/i915/intel_panel: Add a helper to get the highest refresh rate mode
Date: Tue, 12 May 2026 19:02:46 +0530 [thread overview]
Message-ID: <20260512133249.2475882-4-ankit.k.nautiyal@intel.com> (raw)
In-Reply-To: <20260512133249.2475882-1-ankit.k.nautiyal@intel.com>
Introduce a helper intel_panel_highest_vrefresh_mode() to get the
highest refresh rate mode from the list of fixed modes for a connector.
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
---
drivers/gpu/drm/i915/display/intel_panel.c | 15 +++++++++++++++
drivers/gpu/drm/i915/display/intel_panel.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index 14c7eea8ccb1..6577c6bf5a88 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -158,6 +158,21 @@ intel_panel_highest_mode(struct intel_connector *connector,
return best_mode;
}
+const struct drm_display_mode *
+intel_panel_highest_vrefresh_mode(struct intel_connector *connector)
+{
+ const struct drm_display_mode *fixed_mode, *best_mode = NULL;
+
+ /* pick the fixed_mode that has the highest vrefresh */
+ list_for_each_entry(fixed_mode, &connector->panel.fixed_modes, head) {
+ if (!best_mode ||
+ drm_mode_vrefresh(fixed_mode) > drm_mode_vrefresh(best_mode))
+ best_mode = fixed_mode;
+ }
+
+ return best_mode;
+}
+
int intel_panel_get_modes(struct intel_connector *connector)
{
const struct drm_display_mode *fixed_mode;
diff --git a/drivers/gpu/drm/i915/display/intel_panel.h b/drivers/gpu/drm/i915/display/intel_panel.h
index 23bd227826c9..fe4d80a41d4c 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.h
+++ b/drivers/gpu/drm/i915/display/intel_panel.h
@@ -39,6 +39,8 @@ intel_panel_downclock_mode(struct intel_connector *connector,
const struct drm_display_mode *
intel_panel_highest_mode(struct intel_connector *connector,
const struct drm_display_mode *adjusted_mode);
+const struct drm_display_mode *
+intel_panel_highest_vrefresh_mode(struct intel_connector *connector);
int intel_panel_get_modes(struct intel_connector *connector);
enum drrs_type intel_panel_drrs_type(struct intel_connector *connector);
enum drm_mode_status
--
2.45.2
next prev parent reply other threads:[~2026-05-12 13:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-12 13:32 [PATCH 0/6] drm/i915/intel_panel: Fix seamless VRR mode switching for DRRS panels Ankit Nautiyal
2026-05-12 13:32 ` [PATCH 1/6] drm/i915/display: Deprecate TRANS_VSYNC where VRR TG is always on Ankit Nautiyal
2026-05-19 14:56 ` Ville Syrjälä
2026-05-12 13:32 ` [PATCH 2/6] drm/i915/panel: Preserve Vtotal-Vsync distance while adjusting vtotal Ankit Nautiyal
2026-05-12 13:32 ` Ankit Nautiyal [this message]
2026-05-12 13:32 ` [PATCH 4/6] drm/i915/intel_panel: Pass crtc_state to intel_panel_compute_config Ankit Nautiyal
2026-05-12 13:32 ` [PATCH 5/6] drm/i915/intel_panel: Use highest refresh rate mode for VRR panels Ankit Nautiyal
2026-05-12 13:32 ` [PATCH 6/6] drm/i915/intel_panel: Refine VRR fixed mode selection for DRRS panels Ankit Nautiyal
2026-05-12 22:21 ` ✗ CI.checkpatch: warning for drm/i915/intel_panel: Fix seamless VRR mode switching for DRRS panels (rev2) Patchwork
2026-05-12 22:22 ` ✓ CI.KUnit: success " Patchwork
2026-05-12 23:43 ` ✓ Xe.CI.BAT: " Patchwork
2026-05-13 16:21 ` ✗ Xe.CI.FULL: failure " Patchwork
-- strict thread matches above, loose matches on Subject: below --
2026-05-22 13:25 [PATCH 0/6] drm/i915/intel_panel: Fix seamless VRR mode switching for DRRS panels Ankit Nautiyal
2026-05-22 13:25 ` [PATCH 3/6] drm/i915/intel_panel: Add a helper to get the highest refresh rate mode Ankit Nautiyal
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