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| author | José Roberto de Souza <jose.souza@intel.com> | 2018-10-03 13:50:26 -0700 |
|---|---|---|
| committer | Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> | 2018-10-05 16:10:52 -0700 |
| commit | fc6ff9dc9ecf7e10597a85c4b83c304fb7c7083e (patch) | |
| tree | 1dc0b1f49bb846510dde68e11945b3fa5219cdbd /drivers/gpu/drm/i915/intel_psr.c | |
| parent | bf80928fbf066826251a9f3f7543ada52cc69c92 (diff) | |
| download | linux-stable-fc6ff9dc9ecf7e10597a85c4b83c304fb7c7083e.tar.gz linux-stable-fc6ff9dc9ecf7e10597a85c4b83c304fb7c7083e.tar.bz2 linux-stable-fc6ff9dc9ecf7e10597a85c4b83c304fb7c7083e.zip | |
drm/i915/psr: Make MASK_DISP_REG_WRITE reserved in PSR_MASK for ICL
ICL spec states that this bit is now reserved.
Bspec: 7722
v2(Dhinakaran and Jani):
- instead of remove bit in gen11 now only setting if if gen < 11
- changed commit title
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181003205031.32474-2-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 102da7aae9d8..5006b30b848d 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -563,6 +563,7 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 mask; /* Only HSW and BDW have PSR AUX registers that need to be setup. SKL+ * use hardcoded values PSR AUX transactions @@ -588,12 +589,15 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, * runtime_pm besides preventing other hw tracking issues now we * can rely on frontbuffer tracking. */ - I915_WRITE(EDP_PSR_DEBUG, - EDP_PSR_DEBUG_MASK_MEMUP | - EDP_PSR_DEBUG_MASK_HPD | - EDP_PSR_DEBUG_MASK_LPSP | - EDP_PSR_DEBUG_MASK_DISP_REG_WRITE | - EDP_PSR_DEBUG_MASK_MAX_SLEEP); + mask = EDP_PSR_DEBUG_MASK_MEMUP | + EDP_PSR_DEBUG_MASK_HPD | + EDP_PSR_DEBUG_MASK_LPSP | + EDP_PSR_DEBUG_MASK_MAX_SLEEP; + + if (INTEL_GEN(dev_priv) < 11) + mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE; + + I915_WRITE(EDP_PSR_DEBUG, mask); } static void intel_psr_enable_locked(struct drm_i915_private *dev_priv, |