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Commit e876b78c authored by Ville Syrjälä's avatar Ville Syrjälä
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drm/i915: Disable trickle feed for SNB/IVB cursors 



We disable trickle feed whenever possible, except for the cursors
on SNB/IVB. Let's try disabling it there too if for no other reason
than consistency.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180130203807.13721-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarMika Kahola <mika.kahola@intel.com>
parent b99b9ec1

drivers/gpu/drm/i915/intel_display.c

+3 −0
Original line number Diff line number Diff line
@@ -9711,6 +9711,9 @@ static u32 i9xx_cursor_ctl(const struct intel_crtc_state *crtc_state, 
	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);

	u32 cntl = 0;



	if (IS_GEN6(dev_priv) || IS_IVYBRIDGE(dev_priv))

		cntl |= MCURSOR_TRICKLE_FEED_DISABLE;



	if (INTEL_GEN(dev_priv) <= 10) {

		cntl |= MCURSOR_GAMMA_ENABLE;