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path: root/drivers/gpu/drm/i915/intel_pm.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index cfabbe0481ab..cfb806767fc5 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -100,12 +100,6 @@ static void gen9_init_clock_gating(struct drm_i915_private *dev_priv)
*/
I915_WRITE(DISP_ARB_CTL, I915_READ(DISP_ARB_CTL) |
DISP_FBC_MEMORY_WAKE);
-
- if (IS_SKYLAKE(dev_priv)) {
- /* WaDisableDopClockGating */
- I915_WRITE(GEN7_MISCCPCTL, I915_READ(GEN7_MISCCPCTL)
- & ~GEN7_DOP_CLOCK_GATE_ENABLE);
- }
}
static void bxt_init_clock_gating(struct drm_i915_private *dev_priv)
@@ -7124,25 +7118,12 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv)
static void tgl_init_clock_gating(struct drm_i915_private *dev_priv)
{
- u32 vd_pg_enable = 0;
- unsigned int i;
-
/* Wa_1409120013:tgl */
I915_WRITE(ILK_DPFC_CHICKEN,
ILK_DPFC_CHICKEN_COMP_DUMMY_PIXEL);
- /* This is not a WA. Enable VD HCP & MFX_ENC powergate */
- for (i = 0; i < I915_MAX_VCS; i++) {
- if (HAS_ENGINE(&dev_priv->gt, _VCS(i)))
- vd_pg_enable |= VDN_HCP_POWERGATE_ENABLE(i) |
- VDN_MFX_POWERGATE_ENABLE(i);
- }
-
- I915_WRITE(POWERGATE_ENABLE,
- I915_READ(POWERGATE_ENABLE) | vd_pg_enable);
-
/* Wa_1409825376:tgl (pre-prod)*/
- if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
+ if (IS_TGL_DISP_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_B1))
I915_WRITE(GEN9_CLKGATE_DIS_3, I915_READ(GEN9_CLKGATE_DIS_3) |
TGL_VRH_GATING_DIS);
@@ -7223,12 +7204,12 @@ static void kbl_init_clock_gating(struct drm_i915_private *dev_priv)
gen9_init_clock_gating(dev_priv);
/* WaDisableSDEUnitClockGating:kbl */
- if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0))
+ if (IS_KBL_GT_REVID(dev_priv, 0, KBL_REVID_B0))
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
/* WaDisableGamClockGating:kbl */
- if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0))
+ if (IS_KBL_GT_REVID(dev_priv, 0, KBL_REVID_B0))
I915_WRITE(GEN6_UCGCTL1, I915_READ(GEN6_UCGCTL1) |
GEN6_GAMUNIT_CLOCK_GATE_DISABLE);
@@ -7251,6 +7232,10 @@ static void skl_init_clock_gating(struct drm_i915_private *dev_priv)
{
gen9_init_clock_gating(dev_priv);
+ /* WaDisableDopClockGating:skl */
+ I915_WRITE(GEN7_MISCCPCTL, I915_READ(GEN7_MISCCPCTL) &
+ ~GEN7_DOP_CLOCK_GATE_ENABLE);
+
/* WAC6entrylatency:skl */
I915_WRITE(FBC_LLC_READ_CTRL, I915_READ(FBC_LLC_READ_CTRL) |
FBC_LLC_FULLY_OPEN);