target/linux/bcm27xx/patches-5.15/950-0569-drm-vc4-Only-add-gamma-properties-once.patch

   1 From 749ff7fb1f2382f19ed744a86e82211711187db2 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Mon, 8 Nov 2021 18:25:49 +0000
   4 Subject: [PATCH] drm/vc4: Only add gamma properties once.
   5
   6 Two calls were made to drm_crtc_enable_color_mgmt to add gamma
   7 and CTM, however they were both set to add the gamma properties,
   8 so they ended up added twice.
   9
  10 Fixes: 766cc6b1f7fc "drm/vc4: Add CTM support"
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/gpu/drm/vc4/vc4_crtc.c | 2 +-
  14  1 file changed, 1 insertion(+), 1 deletion(-)
  15
  16 --- a/drivers/gpu/drm/vc4/vc4_crtc.c
  17 +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
  18 @@ -1196,7 +1196,7 @@ int vc4_crtc_init(struct drm_device *drm
  19                 /* We support CTM, but only for one CRTC at a time. It's therefore
  20                  * implemented as private driver state in vc4_kms, not here.
  21                  */
  22 -               drm_crtc_enable_color_mgmt(crtc, 0, true, crtc->gamma_size);
  23 +               drm_crtc_enable_color_mgmt(crtc, 0, true, 0);
  24
  25                 /* Initialize the VC4 gamma LUTs */
  26                 for (i = 0; i < crtc->gamma_size; i++) {