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drm/i915/cnl: Extend Wa 1178 to Aux F.

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We also need to extend this WA to Aux F.

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180129232223.766-3-rodrigo.vivi@intel.com
This commit is contained in:
Rodrigo Vivi 2018-01-29 15:22:16 -08:00
parent a324fcaca3
commit b1ae6a8b7a
2 changed files with 4 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_reg.h
View File

@ -8437,10 +8437,12 @@ enum skl_power_gate {
#define _CNL_AUX_ANAOVRD1_B 0x162250
#define _CNL_AUX_ANAOVRD1_C 0x162210
#define _CNL_AUX_ANAOVRD1_D 0x1622D0
#define _CNL_AUX_ANAOVRD1_F 0x162A90
#define CNL_AUX_ANAOVRD1(pw) _MMIO(_PICK(_CNL_AUX_REG_IDX(pw), \
_CNL_AUX_ANAOVRD1_B, \
_CNL_AUX_ANAOVRD1_C, \
_CNL_AUX_ANAOVRD1_D))
_CNL_AUX_ANAOVRD1_D, \
_CNL_AUX_ANAOVRD1_F))
#define CNL_AUX_ANAOVRD1_ENABLE (1<<16)
#define CNL_AUX_ANAOVRD1_LDO_BYPASS (1<<23)

2
drivers/gpu/drm/i915/intel_runtime_pm.c
View File

@ -395,7 +395,7 @@ static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
/* Display WA #1178: cnl */
if (IS_CANNONLAKE(dev_priv) &&
(id == CNL_DISP_PW_AUX_B || id == CNL_DISP_PW_AUX_C ||
id == CNL_DISP_PW_AUX_D)) {
id == CNL_DISP_PW_AUX_D || id == CNL_DISP_PW_AUX_F)) {
val = I915_READ(CNL_AUX_ANAOVRD1(id));
val |= CNL_AUX_ANAOVRD1_ENABLE | CNL_AUX_ANAOVRD1_LDO_BYPASS;
I915_WRITE(CNL_AUX_ANAOVRD1(id), val);