Alex Hung e561531f2f
drm/amd/display: Fix incorrect logic in CRC source handling ...
[WHAT]
Fix three issues amdgpu_dm_crc.c:
- Use cur_crc_src instead of source when deciding whether to call
drm_dp_stop_crc() in the disable path of set_crc_source(). When
disabling CRC, source is always NONE so dm_is_crc_source_dprx(source)
was always false, meaning drm_dp_stop_crc() was never called when
stopping a DPRX CRC source. Use cur_crc_src to check what was
previously active instead.
- Replace fragile 'source < 0' comparisons in verify_crc_source() and
set_crc_source() with AMDGPU_DM_PIPE_CRC_SOURCE_INVALID.
and avoiding signed/unsigned enum comparison concerns.
- Remove redundant NULL initializations for drm_dev and acrtc in
handle_crc_irq(). Both variables are unconditionally assigned right
after.
Assisted-by: Copilot:Claude-Sonnet-4.6
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com >
Signed-off-by: Alex Hung <alex.hung@amd.com >
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com >
Tested-by: Dan Wheeler <daniel.wheeler@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
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e561531f2f