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From 94db315153c83753aded66cf3ea1de2b95d37628 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 7 Jun 2017 14:39:49 -0700
Subject: [PATCH] drm/vc4: Add FB modifier support to firmwarekms.
Signed-off-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit 11752d73488e08aaeb65fe8289a9c016acde26c2)
---
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -17,6 +17,7 @@
#include "drm/drm_atomic_helper.h"
#include "drm/drm_plane_helper.h"
#include "drm/drm_crtc_helper.h"
+#include "drm/drm_fourcc.h"
#include "linux/clk.h"
#include "linux/debugfs.h"
#include "drm/drm_fb_cma_helper.h"
@@ -134,6 +135,10 @@ static void vc4_primary_plane_atomic_upd
fbinfo->yoffset = state->crtc_y;
fbinfo->base = bo->paddr + fb->offsets[0];
fbinfo->pitch = fb->pitches[0];
+
+ if (fb->modifier == DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED)
+ fbinfo->bpp |= BIT(31);
+
/* A bug in the firmware makes it so that if the fb->base is
* set to nonzero, the configured pitch gets overwritten with
* the previous pitch. So, to get the configured pitch
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