aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/bcm27xx/patches-5.4/950-0100-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch
blob: 11fb0d6fd8165fb64cee7718146106b9b1078dea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
From 427c7c3d63a165ae3d5da45cd2afbe68cb4a34a9 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