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e99755e6a99293c7cb88a71ad2dc4e02eba6354b
android_kernel_xiaomi_sm8450/drivers/gpu/drm/msm
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Dmitry Baryshkov e99755e6a9 drm/msm/dsi: fix error checks and return values for DSI xmit functions 
[ Upstream commit f0e7e9ed379c012c4d6b09a09b868accc426223c ]

As noticed by Dan ([1] an the followup thread) there are multiple issues
with the return values for MSM DSI command transmission callback. In
the error case it can easily return a positive value when it should
have returned a proper error code.

This commits attempts to fix these issues both in TX and in RX paths.

[1]: https://lore.kernel.org/linux-arm-msm/20211001123617.GH2283@kili/

Fixes: a689554ba6 ("drm/msm: Initial add DSI connector support")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Tested-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/480501/
Link: https://lore.kernel.org/r/20220401231104.967193-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-09 10:21:04 +02:00
..
adreno
drm/msm: Fix range size vs end confusion
2022-04-20 09:23:14 +02:00
disp
drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm runtime resume
2022-06-09 10:21:04 +02:00
dp
drm/msm/dp: fix error check return value of irq_of_parse_and_map()
2022-06-09 10:21:04 +02:00
dsi
drm/msm/dsi: fix error checks and return values for DSI xmit functions
2022-06-09 10:21:04 +02:00
edp
drm/msm: Fix null pointer dereference on pointer edp
2021-10-20 11:45:05 +02:00
hdmi
drm/msm/hdmi: Fix missing put_device() call in msm_hdmi_get_phy
2022-02-01 17:25:47 +01:00
Kconfig
drm/msm/dp: displayPort driver need algorithm rational
2022-01-27 10:53:55 +01:00
Makefile
drm/msm/dp: Use qmp phy for DP PLL and PHY
2020-09-15 10:54:35 -07:00
msm_atomic_trace.h
drm/msm: add atomic traces
2019-09-03 16:17:02 -07:00
msm_atomic_tracepoints.c
drm/msm: add atomic traces
2019-09-03 16:17:02 -07:00
msm_atomic.c
drm/msm: enable vblank during atomic commits
2020-08-21 22:30:17 -07:00
msm_debugfs.c
drm/msm: Do hw_init() before capturing GPU state
2021-12-08 09:03:26 +01:00
msm_debugfs.h
drm: convert .debugfs_init() hook to return void.
2020-03-18 17:53:28 +01:00
msm_drv.c
drm/msm: Fix wrong size calculation
2022-02-01 17:25:44 +01:00
msm_drv.h
drm/msm/a6xx: Track current ctx by seqno
2021-10-20 11:45:05 +02:00
msm_fb.c
drm/msm: remove _unlocked suffix in drm_gem_object_put_unlocked
2020-05-19 22:31:33 +01:00
msm_fbdev.c
drm: Remove drm_fb_helper add, add all and remove connector calls
2020-03-06 14:19:58 +01:00
msm_fence.c
drm/msm: Ratelimit invalid-fence message
2021-04-10 13:36:08 +02:00
msm_fence.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
msm_gem_prime.c
drm: allow limiting the scatter list size.
2020-09-09 07:58:56 +02:00
msm_gem_shrinker.c
drm/msm: Convert shrinker msgs to tracepoints
2020-09-09 15:25:54 -07:00
msm_gem_submit.c
drm/msm: Drop context arg to gpu->submit()
2020-09-12 10:45:56 -07:00
msm_gem_vma.c
drm/msm: Leave inuse count intact on map failure
2020-09-22 08:28:15 -07:00
msm_gem.c
drm/msm: Add missing put_task_struct() in debugfs path
2022-04-20 09:23:10 +02:00
msm_gem.h
drm/msm: Fix premature purging of BO
2020-09-22 08:28:15 -07:00
msm_gpu_trace.h
drm/msm/gpu: Add suspend/resume tracepoints
2020-09-12 09:59:58 -07:00
msm_gpu_tracepoints.c
drm/msm/gpu: Add trace events for tracking GPU submissions
2018-12-11 13:05:28 -05:00
msm_gpu.c
drm/msm: prevent NULL dereference in msm_gpu_crashstate_capture()
2021-11-18 14:03:57 +01:00
msm_gpu.h
drm/msm: Allow a5xx to mark the RPTR shadow as privileged
2020-09-15 10:47:44 -07:00
msm_gpummu.c
Merge tag 'drm-msm-next-2020-09-27' of https://gitlab.freedesktop.org/drm/msm into drm-next
2020-09-29 10:18:49 +10:00
msm_iommu.c
Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm
2020-10-15 10:46:16 -07:00
msm_kms.h
drm/msm/dpu: async commit support
2019-09-03 16:17:01 -07:00
msm_mmu.h
drm/msm: Add support to create a local pagetable
2020-09-12 10:48:32 -07:00
msm_perf.c
drm/msm: drop use of drmP.h
2019-09-03 16:16:57 -07:00
msm_rd.c
drm/msm: Fix undefined "rd_full" link error
2020-05-18 09:26:32 -07:00
msm_ringbuffer.c
drm/msm: Enable expanded apriv support for a650
2020-09-04 12:14:07 -07:00
msm_ringbuffer.h
drm/msm/a6xx: Add support for per-instance pagetables
2020-09-12 10:48:32 -07:00
msm_submitqueue.c
drm/msm: Add a context pointer to the submitqueue
2020-09-12 10:45:56 -07:00
NOTES
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