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authorWolfram Sang <wsa@kernel.org>2022-02-23 14:14:15 +0100
committerWolfram Sang <wsa@kernel.org>2022-02-23 14:14:15 +0100
commit24e3bb7429bde31e9a28a46ca2fd6deaab257c30 (patch)
treee071e61748b5322e35033dbe0df8df5b027803d8 /drivers/gpu/drm/i915/display/intel_drrs.c
parent8302532f47bb6c3aa1ed2043d30187ca307f176a (diff)
parent509853f9e1e7b1490dc79f735a5dbafc9298f40d (diff)
Merge tag 'irq-api-2022-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into i2c/for-mergewindow
Provide a tag for maintainers to pull the generic_handle_irq_safe() API.
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_drrs.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_drrs.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c
index c1439fcb5a95..3ff149df4a77 100644
--- a/drivers/gpu/drm/i915/display/intel_drrs.c
+++ b/drivers/gpu/drm/i915/display/intel_drrs.c
@@ -405,6 +405,7 @@ intel_drrs_init(struct intel_connector *connector,
struct drm_display_mode *fixed_mode)
{
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
+ struct intel_encoder *encoder = connector->encoder;
struct drm_display_mode *downclock_mode = NULL;
INIT_DELAYED_WORK(&dev_priv->drrs.work, intel_drrs_downclock_work);
@@ -416,6 +417,13 @@ intel_drrs_init(struct intel_connector *connector,
return NULL;
}
+ if ((DISPLAY_VER(dev_priv) < 8 && !HAS_GMCH(dev_priv)) &&
+ encoder->port != PORT_A) {
+ drm_dbg_kms(&dev_priv->drm,
+ "DRRS only supported on eDP port A\n");
+ return NULL;
+ }
+
if (dev_priv->vbt.drrs_type != SEAMLESS_DRRS_SUPPORT) {
drm_dbg_kms(&dev_priv->drm, "VBT doesn't support DRRS\n");
return NULL;