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| author | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2019-03-29 18:19:20 -0700 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-04-12 10:22:11 +0300 |
| commit | fa9d38f65d3976d8594e84edb0edcdfc75054b17 (patch) | |
| tree | 6d64a665f28015eeba98f834b32c0f5308cb229c /drivers/gpu/drm | |
| parent | 2474028e4b9abde6cc63ce0e3e3a045040b7815c (diff) | |
| download | linux-fa9d38f65d3976d8594e84edb0edcdfc75054b17.tar.bz2 | |
drm/i915: Fix the inconsistent RMW in WA 827
RMW is used only in the disable path. Using it in enable path
for consistency.
Suggested-by: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190330011921.10397-2-radhakrishna.sripada@intel.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index bf8565b98e44..c780ca6cd667 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -481,6 +481,7 @@ skl_wa_827(struct drm_i915_private *dev_priv, int pipe, bool enable) { if (enable) I915_WRITE(CLKGATE_DIS_PSL(pipe), + I915_READ(CLKGATE_DIS_PSL(pipe)) | DUPS1_GATING_DIS | DUPS2_GATING_DIS); else I915_WRITE(CLKGATE_DIS_PSL(pipe), |