brcm2708: organize kernel patches

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0112-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0112-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch b/target/linux/brcm2708/patches-4.19/950-0112-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch
new file mode 100644 (file)
index 0000000..94a180f
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0112-drm-vc4-Add-FB-modifier-support-to-firmwarekms.patch
@@ -0,0 +1,32 @@
+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