openwrt/target/linux/bcm27xx/patches-6.1/950-0930-drm-vc4-Fix-FKMS-for-when-the-YUV-chroma-planes-are-.patch
Marty Jones 2e715fb4fc bcm27xx: update 6.1 patches to latest version
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-01-25 17:46:45 +01:00

51 lines
1.9 KiB
Diff

From bb1ee75de382c7a5218750476aa2a5792309cc70 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 30 Mar 2023 17:18:36 +0100
Subject: [PATCH] drm/vc4: Fix FKMS for when the YUV chroma planes are
different buffers
The code was assuming that it was a single buffer with offsets,
when kmstest uses separate buffers and 0 offsets for each plane.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -528,7 +528,7 @@ static int vc4_plane_to_mb(struct drm_pl
struct drm_plane_state *state)
{
struct drm_framebuffer *fb = state->fb;
- struct drm_gem_dma_object *bo = drm_fb_dma_get_gem_obj(fb, 0);
+ struct drm_gem_dma_object *bo;
const struct drm_format_info *drm_fmt = fb->format;
const struct vc_image_format *vc_fmt =
vc4_get_vc_image_fmt(drm_fmt->format);
@@ -552,6 +552,7 @@ static int vc4_plane_to_mb(struct drm_pl
state->normalized_zpos : -127;
mb->plane.num_planes = num_planes;
mb->plane.is_vu = vc_fmt->is_vu;
+ bo = drm_fb_dma_get_gem_obj(fb, 0);
mb->plane.planes[0] = bo->dma_addr + fb->offsets[0];
rotation = drm_rotation_simplify(state->rotation,
@@ -572,11 +573,14 @@ static int vc4_plane_to_mb(struct drm_pl
/* Makes assumptions on the stride for the chroma planes as we
* can't easily plumb in non-standard pitches.
*/
+ bo = drm_fb_dma_get_gem_obj(fb, 1);
mb->plane.planes[1] = bo->dma_addr + fb->offsets[1];
- if (num_planes > 2)
+ if (num_planes > 2) {
+ bo = drm_fb_dma_get_gem_obj(fb, 2);
mb->plane.planes[2] = bo->dma_addr + fb->offsets[2];
- else
+ } else {
mb->plane.planes[2] = 0;
+ }
/* Special case the YUV420 with U and V as line interleaved
* planes as we have special handling for that case.