Alex Deucher 9da4f9964a drm/amd/display: check if ext_caps is valid in BL setup ...

LVDS connectors don't have extended backlight caps so check
if the pointer is valid before accessing it.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/5012
Fixes: 1454642960 ("drm/amd: Re-introduce property to control adaptive backlight modulation")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6)
Cc: stable@vger.kernel.org

2026-03-24 13:53:46 -04:00

..

amdgpu_dm_color.c

drm/amd/display: Use mpc.preblend flag to indicate 3D LUT

2026-03-02 17:12:58 -05:00

amdgpu_dm_colorop.c

drm/amd/display: Fix gamma 2.2 colorop TFs

2026-03-17 12:08:46 -04:00

amdgpu_dm_colorop.h

drm/amd/display: Add support for sRGB EOTF in BLND block

2025-11-26 23:03:34 +01:00

amdgpu_dm_crc.c

Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses

2026-02-22 08:26:33 -08:00

amdgpu_dm_crc.h

drm/amd/display: Add missing SPDX license identifier

2025-07-28 16:40:30 -04:00

amdgpu_dm_crtc.c

drm/amd/display: Enable DEGAMMA and reject COLOR_PIPELINE+DEGAMMA_LUT

2026-03-02 17:13:13 -05:00

amdgpu_dm_crtc.h

drm/amd/display: Disable replay and psr while VRR is enabled

2025-01-06 14:44:27 -05:00

amdgpu_dm_debugfs.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

amdgpu_dm_debugfs.h

drm/amd/display: Add missing SPDX license identifier

2025-07-28 16:40:30 -04:00

amdgpu_dm_hdcp.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

amdgpu_dm_hdcp.h

drm/amd/display: Add missing SPDX license identifier

2025-07-28 16:40:30 -04:00

amdgpu_dm_helpers.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

amdgpu_dm_irq_params.h

drm/amd/display: Add CRC 32-bit mode support for DCN3.6+

2026-02-03 16:43:12 -05:00

amdgpu_dm_irq.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

amdgpu_dm_irq.h

drm/amd/display: Add missing SPDX license identifier

2025-07-28 16:40:30 -04:00

amdgpu_dm_mst_types.c

drm/amd/display: Do not skip unrelated mode changes in DSC validation

2026-03-23 14:38:56 -04:00

amdgpu_dm_mst_types.h

drm/amd/display: Fix pbn_div Calculation Error

2025-09-05 17:38:41 -04:00

amdgpu_dm_plane.c

drm/amd/display: Enable DEGAMMA and reject COLOR_PIPELINE+DEGAMMA_LUT

2026-03-02 17:13:13 -05:00

amdgpu_dm_plane.h

drm: Pass pixel_format+modifier to .get_format_info()

2025-07-16 19:59:59 +03:00

amdgpu_dm_pp_smu.c

drm/amd/display: Add pixel_clock to amd_pp_display_configuration

2025-09-15 16:52:41 -04:00

amdgpu_dm_psr.c

drm/amd/display: Disable SR feature on eDP1 by default

2026-02-19 12:16:10 -05:00

amdgpu_dm_psr.h

drm/amd/display: Add missing SPDX license identifier

2025-07-28 16:40:30 -04:00

amdgpu_dm_quirks.c

drm/amd/display: Restructure DMI quirks

2025-05-13 09:30:52 -04:00

amdgpu_dm_replay.c

drm/amd/display: disable replay when crc source is enabled

2026-01-10 14:21:53 -05:00

amdgpu_dm_replay.h

drm/amd/display: Add missing SPDX license identifier

2025-07-28 16:40:30 -04:00

amdgpu_dm_services.c

drm/amd/display: Refactor SMU tracing

2025-09-23 10:31:51 -04:00

amdgpu_dm_trace.h

drm/amd/display: Add missing SPDX license identifier

2025-07-28 16:40:30 -04:00

amdgpu_dm_wb.c

drm/amd/display: Adjust all dev_*() messages to drm_*()

2025-04-07 18:01:07 -04:00

amdgpu_dm_wb.h

…

amdgpu_dm.c

drm/amd/display: check if ext_caps is valid in BL setup

2026-03-24 13:53:46 -04:00

amdgpu_dm.h

drm/amd/display: Do not skip unrelated mode changes in DSC validation

2026-03-23 14:38:56 -04:00

dc_fpu.c

drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT

2024-05-19 14:36:19 -07:00

dc_fpu.h

drm/amd/display: Permit DC_FP_START/END only in non-FP compilation units

2025-12-08 13:56:37 -05:00

Makefile

drm/amd/display: Add support for sRGB EOTF in DEGAM block

2025-11-26 23:03:34 +01:00