f07e572f64
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>
23 lines
749 B
Diff
23 lines
749 B
Diff
From 50f3c90e2400a0391a7461e5e2fea86ffb3f8f60 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Mon, 4 Mar 2019 11:59:34 -0800
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Subject: [PATCH] drm/vc4: Fix oops at boot with firmwarekms on 4.19.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/vc4/vc4_kms.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_kms.c
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+++ b/drivers/gpu/drm/vc4/vc4_kms.c
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@@ -116,6 +116,9 @@ vc4_ctm_commit(struct vc4_dev *vc4, stru
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struct vc4_ctm_state *ctm_state = to_vc4_ctm_state(vc4->ctm_manager.state);
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struct drm_color_ctm *ctm = ctm_state->ctm;
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+ if (vc4->firmware_kms)
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+ return;
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+
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if (ctm_state->fifo) {
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HVS_WRITE(SCALER_OLEDCOEF2,
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VC4_SET_FIELD(vc4_ctm_s31_32_to_s0_9(ctm->matrix[0]),
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