Commit dc0698d1 authored by Chaitanya Kumar Borah's avatar Chaitanya Kumar Borah Committed by Animesh Manna
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drm/i915: Disable updating of LUT values during vblank 



Do not schedule vblank worker for LUT update if the registers are
double buffered

v2: Do not schedule the worker at all (Ville)

Signed-off-by: default avatarChaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
Signed-off-by: default avatarAnimesh Manna <animesh.manna@intel.com>
Link: https://lore.kernel.org/r/20250523062041.166468-12-chaitanya.kumar.borah@intel.com
parent 88d7e284

drivers/gpu/drm/i915/display/intel_crtc.c

+4 −1
Original line number Diff line number Diff line
@@ -417,10 +417,13 @@ int intel_crtc_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, 


static bool intel_crtc_needs_vblank_work(const struct intel_crtc_state *crtc_state)

{

	struct intel_display *display = to_intel_display(crtc_state);



	return crtc_state->hw.active &&

		!crtc_state->preload_luts &&

		!intel_crtc_needs_modeset(crtc_state) &&

		intel_crtc_needs_color_update(crtc_state) &&

		(intel_crtc_needs_color_update(crtc_state) &&

		 !HAS_DOUBLE_BUFFERED_LUT(display)) &&

		!intel_color_uses_dsb(crtc_state) &&

		!crtc_state->use_dsb;

}