linux-brain/drivers/gpu/drm/amd/display
Harry Wentland e584e52783 drm/amd/display: Reject non-zero src_y and src_x for video planes
commit d89f6048bdcb6a56abb396c584747d5eeae650db upstream.

[Why]
This hasn't been well tested and leads to complete system hangs on DCN1
based systems, possibly others.

The system hang can be reproduced by gesturing the video on the YouTube
Android app on ChromeOS into full screen.

[How]
Reject atomic commits with non-zero drm_plane_state.src_x or src_y values.

v2:
 - Add code comment describing the reason we're rejecting non-zero
   src_x and src_y
 - Drop gerrit Change-Id
 - Add stable CC
 - Based on amd-staging-drm-next

v3: removed trailing whitespace

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Cc: stable@vger.kernel.org
Cc: nicholas.kazlauskas@amd.com
Cc: amd-gfx@lists.freedesktop.org
Cc: alexander.deucher@amd.com
Cc: Roman.Li@amd.com
Cc: hersenxs.wu@amd.com
Cc: danny.wang@amd.com
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-14 09:44:13 +02:00
..
amdgpu_dm drm/amd/display: Reject non-zero src_y and src_x for video planes 2021-05-14 09:44:13 +02:00
dc drm/amd/display: fix dml prefetch validation 2021-05-11 14:04:09 +02:00
include drm/amd/display: fix pow() crashing when given base 0 2020-08-26 10:40:53 +02:00
modules drm/amdgpu: fix build_coefficients() argument 2020-12-30 11:51:04 +01:00
Kconfig drm/amd/display: add Renoir to kconfig 2019-08-29 15:52:33 -05:00
Makefile drm/amd/display: move clk_mgr files to right place 2019-05-31 10:39:31 -05:00
TODO drm/amd/display: Convert remaining loggers off dc_logger 2018-07-13 14:48:42 -05:00