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linux/drivers/gpu
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Daniel Golle ac7f5641e9 drm/mediatek: Only touch DISP_REG_OVL_PITCH_MSB if AFBC is supported 
[ Upstream commit f8d9b91739 ]

Touching DISP_REG_OVL_PITCH_MSB leads to video overlay on MT2701, MT7623N
and probably other older SoCs being broken.

Move setting up AFBC layer configuration into a separate function only
being called on hardware which actually supports AFBC which restores the
behavior as it was before commit c410fa9b07 ("drm/mediatek: Add AFBC
support to Mediatek DRM driver") on non-AFBC hardware.

Fixes: c410fa9b07 ("drm/mediatek: Add AFBC support to Mediatek DRM driver")
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/c7fbd3c3e633c0b7dd6d1cd78ccbdded31e1ca0f.1734397800.git.daniel@makrotopia.org/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-01-17 13:36:26 +01:00
..
drm drm/mediatek: Only touch DISP_REG_OVL_PITCH_MSB if AFBC is supported 2025-01-17 13:36:26 +01:00
host1x gpu: host1x: Do not setup DMA for virtual devices 2024-05-17 12:02:15 +02:00
ipu-v3 drm for 6.6-rc1 2023-08-30 13:34:34 -07:00
trace gpu/trace: add a gpu total memory usage tracepoint 2020-03-03 17:52:41 -05:00
vga PCI/VGA: Move vgaarb to drivers/pci 2022-03-09 18:30:46 -06:00
Makefile gpu: host1x: Add context bus 2022-06-01 11:50:42 +02:00