>-----Original Message----- >From: Ville Syrjala [mailto:ville.syrj...@linux.intel.com] >Sent: Friday, May 3, 2019 1:36 AM >To: intel-gfx@lists.freedesktop.org >Cc: Shankar, Uma <uma.shan...@intel.com>; Sharma, Shashank ><shashank.sha...@intel.com> >Subject: [PATCH 2/2] drm/i915: Allow ICL pipe "HDR mode" when the cursor is >visible > >From: Ville Syrjälä <ville.syrj...@linux.intel.com> > >Turns out the cursor is compatible with the pipe "HDR mode". It's only the >actual SDR >planes that get entirely bypassed during blending. So let's ignore the cursor >when >checking if we have any planes active that aren't HDR compatible. This fixes >the >regressions in the kms_cursor_crc and kms_plane_cursor tests.
Checked for details around this in spec, couldn't get anything specific around how cursor behaves wrt HDR_MODE. But with the test results it appears that they do follow the HDR precision. With this observation and data, change looks ok. Reviewed-by: Uma Shankar <uma.shan...@intel.com> >Cc: Uma Shankar <uma.shan...@intel.com> >Cc: Shashank Sharma <shashank.sha...@intel.com> >Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110579 >Fixes: 09b25812db10 ("drm/i915: Enable pipe HDR mode on ICL if only HDR planes >are >used") >Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com> >--- > drivers/gpu/drm/i915/intel_display.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > >diff --git a/drivers/gpu/drm/i915/intel_display.c >b/drivers/gpu/drm/i915/intel_display.c >index 28042a16084d..cc1203901ef4 100644 >--- a/drivers/gpu/drm/i915/intel_display.c >+++ b/drivers/gpu/drm/i915/intel_display.c >@@ -8927,7 +8927,8 @@ static void bdw_set_pipemisc(const struct >intel_crtc_state >*crtc_state) > PIPEMISC_YUV420_MODE_FULL_BLEND; > > if (INTEL_GEN(dev_priv) >= 11 && >- (crtc_state->active_planes & ~icl_hdr_plane_mask()) == 0) >+ (crtc_state->active_planes & ~(icl_hdr_plane_mask() | >+ BIT(PLANE_CURSOR))) == 0) > val |= PIPEMISC_HDR_MODE_PRECISION; > > I915_WRITE(PIPEMISC(crtc->pipe), val); >-- >2.21.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
