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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-05-26 20:36:00 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-05-27 18:12:10 +0300 |
| commit | 0b86952d15ceae275f685f9bb571fea30904147f (patch) | |
| tree | 1495fce6e1c6345dc5dadf988cd422934b521326 /drivers/gpu/drm/i915/display/intel_cursor.c | |
| parent | d091fc53eb77f8a2a205b41806cfee5674c6a6ae (diff) | |
| download | linux-0b86952d15ceae275f685f9bb571fea30904147f.tar.gz linux-0b86952d15ceae275f685f9bb571fea30904147f.tar.bz2 linux-0b86952d15ceae275f685f9bb571fea30904147f.zip | |
drm/i915/adl_p: Implement Wa_22012358565
Implement Wa_22012358565 to avoid underrun with 32bpp cursor
in some high bandwidth scenarios. The implementation calls for
overriding the arbitration slots for the planes.
v2: Fix adlp_plane_ctl_arb_slots() return type
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210526173600.27708-2-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cursor.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cursor.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c index 2ab389b38694..966e020331fb 100644 --- a/drivers/gpu/drm/i915/display/intel_cursor.c +++ b/drivers/gpu/drm/i915/display/intel_cursor.c @@ -383,6 +383,10 @@ static u32 i9xx_cursor_ctl(const struct intel_crtc_state *crtc_state, if (plane_state->hw.rotation & DRM_MODE_ROTATE_180) cntl |= MCURSOR_ROTATE_180; + /* Wa_22012358565:adlp */ + if (DISPLAY_VER(dev_priv) == 13) + cntl |= MCURSOR_ARB_SLOTS(1); + return cntl; } |