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Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0185-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch')
-rw-r--r--target/linux/brcm2708/patches-4.14/950-0185-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0185-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch b/target/linux/brcm2708/patches-4.14/950-0185-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch
new file mode 100644
index 0000000000..afb096a1c0
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0185-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch
@@ -0,0 +1,32 @@
+From 37822018786bae32642f9e1dc7da980ebe86ccde Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Wed, 7 Jun 2017 14:39:49 -0700
+Subject: [PATCH 185/454] 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"
+@@ -135,6 +136,10 @@ 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