Openwrt/target/linux/bcm27xx/patches-5.4/950-0597-drm-vc4-The-check-for-assigned-HVS-channels-is-not-a.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

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1.1 KiB
Diff

From 76534156ad6e835ad89135210d565dd5f58e91ab Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Tue, 11 Feb 2020 15:36:59 +0000
Subject: [PATCH] drm/vc4: The check for assigned HVS channels is not
applicable firmware_kms
Channel assignments is only in full KMS, so skip the check
if in firmware kms mode.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_kms.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -579,6 +579,7 @@ static int
vc4_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
{
unsigned long unassigned_channels = GENMASK(NUM_CHANNELS - 1, 0);
+ struct vc4_dev *vc4 = to_vc4_dev(state->dev);
struct drm_crtc_state *crtc_state;
struct drm_crtc *crtc;
int i, ret;
@@ -590,7 +591,7 @@ vc4_atomic_check(struct drm_device *dev,
bool is_assigned = false;
unsigned int channel;
- if (!crtc_state->active)
+ if (!crtc_state->active || vc4->firmware_kms)
continue;
/*