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authorJosé Roberto de Souza <jose.souza@intel.com>2021-05-14 18:37:09 +0300
committerMatt Roper <matthew.d.roper@intel.com>2021-05-15 05:48:38 +0300
commita8a56da71a13358528446f4903f6c939dd1d6a1d (patch)
treee05cb30d45fb1e7dca7f2646784fe697180aca9d /drivers/gpu/drm/i915/intel_pm.c
parentb2c6eaf27b508ce5f63e59e3cfb6ae0231685eee (diff)
downloadlinux-a8a56da71a13358528446f4903f6c939dd1d6a1d.tar.xz
drm/i915/adl_p: Implement Wa_22011091694
Adding a new hook to ADL-P just to avoid another platform check in gen12lp_init_clock_gating() but also open to it. BSpec: 54369 Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210514153711.2359617-18-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ef2d1fa60f04..32f7806ea12c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7141,6 +7141,14 @@ static void gen12lp_init_clock_gating(struct drm_i915_private *dev_priv)
CLKREQ_POLICY_MEM_UP_OVRD, 0);
}
+static void adlp_init_clock_gating(struct drm_i915_private *dev_priv)
+{
+ gen12lp_init_clock_gating(dev_priv);
+
+ /* Wa_22011091694:adlp */
+ intel_de_rmw(dev_priv, GEN9_CLKGATE_DIS_5, 0, DPCE_GATING_DIS);
+}
+
static void dg1_init_clock_gating(struct drm_i915_private *dev_priv)
{
gen12lp_init_clock_gating(dev_priv);
@@ -7618,7 +7626,9 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv)
*/
void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv)
{
- if (IS_DG1(dev_priv))
+ if (IS_ALDERLAKE_P(dev_priv))
+ dev_priv->display.init_clock_gating = adlp_init_clock_gating;
+ else if (IS_DG1(dev_priv))
dev_priv->display.init_clock_gating = dg1_init_clock_gating;
else if (IS_GEN(dev_priv, 12))
dev_priv->display.init_clock_gating = gen12lp_init_clock_gating;