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drm/i915: Disable updating of LUT values during vblank

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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: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://lore.kernel.org/r/20250523062041.166468-12-chaitanya.kumar.borah@intel.com
This commit is contained in:
Chaitanya Kumar Borah
2025-05-23 11:50:41 +05:30
committed by Animesh Manna
parent 88d7e284b2
commit dc0698d1b3
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/i915/display/intel_crtc.c
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@@ -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;
}