From: Ville Syrjälä Date: Wed, 18 Jan 2023 16:30:35 +0000 (+0200) Subject: drm/i915/dsb: Skip DSB command buffer setup if we have no LUTs X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bfa5969e1144c8d0fbbe1a976601dcbc50549757;p=linux.git drm/i915/dsb: Skip DSB command buffer setup if we have no LUTs If we have no LUTs to load there is no point in setting up the DSB command buffer. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20230118163040.29808-9-ville.syrjala@linux.intel.com Reviewed-by: Animesh Manna --- diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 55ac476972c2d..a6dd085982331 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -1383,6 +1383,9 @@ void intel_color_prepare_commit(struct intel_crtc_state *crtc_state) /* FIXME DSB has issues loading LUTs, disable it for now */ return; + if (!crtc_state->pre_csc_lut && !crtc_state->post_csc_lut) + return; + crtc_state->dsb = intel_dsb_prepare(crtc, 1024); }