From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Extract the seamless DRRS min refresh rate from the VBT.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_bios.c | 7 ++++++-
drivers/gpu/drm/i915/i915_drv.h | 1 +
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 3d56fd440c0b..542ad289cc49 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -648,6 +648,7 @@ parse_lfp_data(struct drm_i915_private *i915,
const struct bdb_lvds_lfp_data *data;
const struct bdb_lvds_lfp_data_tail *tail;
const struct bdb_lvds_lfp_data_ptrs *ptrs;
+ int panel_type = i915->vbt.panel_type;
ptrs = find_section(i915, bdb, BDB_LVDS_LFP_DATA_PTRS,
sizeof(*ptrs));
@@ -666,7 +667,11 @@ parse_lfp_data(struct drm_i915_private *i915,
if (!tail)
return;
- (void)tail;
+ i915->vbt.seamless_drrs_min_refresh_rate =
+ tail->seamless_drrs_min_refresh_rate[panel_type];
+ drm_dbg_kms(&i915->drm,
+ "Seamless DRRS min refresh rate: %d Hz\n",
+ i915->vbt.seamless_drrs_min_refresh_rate);
}
static void
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0f52ce62281e..0d51028ec553 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -329,6 +329,7 @@ struct intel_vbt_data {
bool override_afc_startup;
u8 override_afc_startup_val;
+ u8 seamless_drrs_min_refresh_rate;
enum drrs_type drrs_type;
struct {
--
2.34.1
