linux/drivers/gpu
Abhinav Kumar e67dcecda0 drm/msm/dpu: limit writeback modes according to max_linewidth
Writeback modes were being added according to mode_config.max_width
but this is assigned to double of max_mixer_width.

For compositors/clients using a single SSPP, this will fail
the dpu_plane's atomic check as it checks for max_linewidth.

Limit writeback modes according to max_linewidth to allow
even compositors/clients which use only a single SSPP to
use writeback.

Fixes: 77b001acdc ("drm/msm/dpu: add the writeback connector layer")
Reported-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Tested-by: Jessica Zhang <quic_jesszhan@quicinc.com> # Trogdor (SC8170)
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/486176/
Link: https://lore.kernel.org/r/20220513225959.19004-1-quic_abhinavk@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
2022-05-18 15:43:08 -07:00
..
drm drm/msm/dpu: limit writeback modes according to max_linewidth 2022-05-18 15:43:08 -07:00
host1x gpu: host1x: Fix a memory leak in 'host1x_remove()' 2022-03-01 11:13:09 +01:00
ipu-v3 gpu: ipu-v3: Fix dev_dbg frequency output 2022-04-04 09:37:42 +02:00
trace
vga PCI/VGA: Move vgaarb to drivers/pci 2022-03-09 18:30:46 -06:00
Makefile