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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_power.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display_power.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index e0fcb89c736b..7277e58b01f1 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -3927,12 +3927,13 @@ tgl_tc_cold_request(struct drm_i915_private *i915, bool block)
int ret;
while (1) {
- u32 low_val = 0, high_val;
+ u32 low_val;
+ u32 high_val = 0;
if (block)
- high_val = TGL_PCODE_EXIT_TCCOLD_DATA_H_BLOCK_REQ;
+ low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_BLOCK_REQ;
else
- high_val = TGL_PCODE_EXIT_TCCOLD_DATA_H_UNBLOCK_REQ;
+ low_val = TGL_PCODE_EXIT_TCCOLD_DATA_L_UNBLOCK_REQ;
/*
* Spec states that we should timeout the request after 200us
@@ -3951,8 +3952,7 @@ tgl_tc_cold_request(struct drm_i915_private *i915, bool block)
if (++tries == 3)
break;
- if (ret == -EAGAIN)
- msleep(1);
+ msleep(1);
}
if (ret)
@@ -5263,7 +5263,7 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv)
unsigned long abox_mask = INTEL_INFO(dev_priv)->abox_mask;
int config, i;
- if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_B0))
+ if (IS_TGL_DISP_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_B0))
/* Wa_1409767108: tgl */
table = wa_1409767108_buddy_page_masks;
else
@@ -5302,6 +5302,12 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
+ /* Wa_14011294188:ehl,jsl,tgl,rkl */
+ if (INTEL_PCH_TYPE(dev_priv) >= PCH_JSP &&
+ INTEL_PCH_TYPE(dev_priv) < PCH_DG1)
+ intel_de_rmw(dev_priv, SOUTH_DSPCLK_GATE_D, 0,
+ PCH_DPMGUNIT_CLOCK_GATE_DISABLE);
+
/* 1. Enable PCH reset handshake. */
intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv));