linux/drivers/gpu/drm/amd/display
Alex Deucher 90d239cc53 drm/amd/display: Fix DCE LVDS handling
LVDS does not use an HPD pin so it may be invalid.  Handle
this case correctly in link encoder creation.

Fixes: 7c8fb3b8e9 ("drm/amd/display: Add hpd_source index check for DCE60/80/100/110/112/120 link encoders")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/5012
Cc: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Cc: Roman Li <roman.li@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Reviewed-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3b5620f7ee688177fcf65cf61588c5435bce1872)
Cc: stable@vger.kernel.org
2026-03-24 13:55:47 -04:00
..
amdgpu_dm drm/amd/display: check if ext_caps is valid in BL setup 2026-03-24 13:53:46 -04:00
dc drm/amd/display: Fix DCE LVDS handling 2026-03-24 13:55:47 -04:00
dmub drm/amd/display: [FW Promotion] Release 0.1.46.0 2026-02-12 15:16:23 -05:00
include drm/amd/display: Add FR skipping CTS functions 2026-01-27 18:10:33 -05:00
modules Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
Kconfig drm/amd/display: add CEC notifier to amdgpu driver 2025-01-10 11:58:57 -05:00
Makefile drm/amd/display: Add Component To Handle Bounding Box Values and IP Caps 2025-08-29 10:14:02 -04:00