drm/msm/dpu1: Don't set allow_fb_modifiers explicitly

Since

commit 890880dd
Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Date:   Fri Jan 4 09:56:10 2019 +0100

    drm: Auto-set allow_fb_modifiers when given modifiers at plane init

this is done automatically as part of plane init, if drivers set the
modifier list correctly. Which is the case here.

v2: Rebase.
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Rob Clark <robdclark@chromium.org>
Cc: Kalyan Thota <kalyant@codeaurora.org>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: Eric Anholt <eric@anholt.net>
Cc: Tanmay Shah <tanmay@codeaurora.org>
Cc: Rajendra Nayak <rnayak@codeaurora.org>
Cc: Jeykumar Sankaran <jsanka@codeaurora.org>
Cc: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210427092018.832258-4-daniel.vetter@ffwll.ch

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c

@@ -1020,11 +1020,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 			dpu_kms->catalog->caps->max_mixer_width * 2;
 	dev->mode_config.max_height = 4096;
 
-	/*
-	 * Support format modifiers for compression etc.
-	 */
-	dev->mode_config.allow_fb_modifiers = true;
-
 	dev->max_vblank_count = 0xffffffff;
 	/* Disable vblank irqs aggressively for power-saving */
 	dev->vblank_disable_immediate = true;