linux-stable.git/drivers/gpu/drm/amd, branch v6.18.33 Linux kernel stable tree drm/amd/display: Read EDID from VBIOS embedded panel info 2026-05-23T11:07:12+00:00 Timur Kristóf timur.kristof@gmail.com 2026-04-28T11:40:44+00:00 8b85ffe5205262682b4dc9e2e35beaeb7365aceb [ Upstream commit 9ea16f64189bf7b6ba50fc7f0325b3c1f836d105 ] Some board manufacturers hardcode the EDID for the embedded panel in the VBIOS. This EDID should be used when the panel doesn't have a DDC. For reference, see the legacy non-DC display code: amdgpu_atombios_encoder_get_lcd_info() This is necessary to support embedded connectors without DDC. Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)") Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192 Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit eb105e63b474c11ef6a84a1c6b18100d851ff364) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 9ea16f64189bf7b6ba50fc7f0325b3c1f836d105 ]

Some board manufacturers hardcode the EDID for the embedded
panel in the VBIOS. This EDID should be used when the panel
doesn't have a DDC.

For reference, see the legacy non-DC display code:
amdgpu_atombios_encoder_get_lcd_info()

This is necessary to support embedded connectors without DDC.

Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit eb105e63b474c11ef6a84a1c6b18100d851ff364)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amd/display: Allow constructing DCE8 link encoder without DDC 2026-05-23T11:07:12+00:00 Timur Kristóf timur.kristof@gmail.com 2026-04-28T11:40:43+00:00 07822f1d9bdbd4a1809d0baac6856e36da1c1015 [ Upstream commit 60af4605ef35ecb7ad649a8534b83a2f7c69576d ] When the DDC channel ID is set to CHANNEL_ID_UNKNOWN, pass NULL to the AUX regs array. This is necessary to support embedded connectors without DDC. Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)") Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192 Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 155baf3038c1af50b602723022ed869b38e86a99) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 60af4605ef35ecb7ad649a8534b83a2f7c69576d ]

When the DDC channel ID is set to CHANNEL_ID_UNKNOWN,
pass NULL to the AUX regs array.

This is necessary to support embedded connectors without DDC.

Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 155baf3038c1af50b602723022ed869b38e86a99)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amd/display: Allow constructing DCE6 link encoder without DDC 2026-05-23T11:07:12+00:00 Timur Kristóf timur.kristof@gmail.com 2026-04-28T11:40:42+00:00 e0f874f209d4ce5825bc468dbc8f924676af0aac [ Upstream commit 880498a1943f865529819f778df3b9945ca57262 ] When the DDC channel ID is set to CHANNEL_ID_UNKNOWN, pass NULL to the AUX regs array. This is necessary to support embedded connectors without DDC. Fixes: 7c15fd86aaec ("drm/amd/display: dc/dce: add initial DCE6 support (v10)") Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192 Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 38a70e50b22a188ff601740d64dd75f46213121f) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 880498a1943f865529819f778df3b9945ca57262 ]

When the DDC channel ID is set to CHANNEL_ID_UNKNOWN,
pass NULL to the AUX regs array.

This is necessary to support embedded connectors without DDC.

Fixes: 7c15fd86aaec ("drm/amd/display: dc/dce: add initial DCE6 support (v10)")
Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 38a70e50b22a188ff601740d64dd75f46213121f)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amd/display: Allow DCE link encoder without AUX registers 2026-05-23T11:07:12+00:00 Timur Kristóf timur.kristof@gmail.com 2026-04-28T11:40:41+00:00 9b84d67ce8c93770f5d42005ba82500ffa34dc39 [ Upstream commit ac27e3f99035f132f23bc0409d0e57f11f054c70 ] Allow constructing the DCE link encoder without DDC, which means the AUX registers array will be NULL. This is necessary to support embedded connectors without DDC. Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)") Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192 Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 87f30b101af62590faf6020d106da07efdda199b) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit ac27e3f99035f132f23bc0409d0e57f11f054c70 ]

Allow constructing the DCE link encoder without DDC,
which means the AUX registers array will be NULL.

This is necessary to support embedded connectors without DDC.

Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 87f30b101af62590faf6020d106da07efdda199b)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.1 ring 2026-05-23T11:07:11+00:00 Yinjie Yao yinjie.yao@amd.com 2026-04-27T15:46:11+00:00 d0f6ae14c0452be4fc3aa5cf81c74e68b3243050 [ Upstream commit 2f8e3da71a1b469b6e157aa3972f1448b3157840 ] JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. Fixes: b8f57b69942b ("drm/amdgpu: Add JPEG5_0_1 support") Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yinjie Yao <yinjie.yao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 742a98e2e81702df8fe1b1eccee5223220a03dc2) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 2f8e3da71a1b469b6e157aa3972f1448b3157840 ]

JPEG rings do not support 64-bit user fence writes, reject CS
submissions with user fences.

Fixes: b8f57b69942b ("drm/amdgpu: Add JPEG5_0_1 support")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yinjie Yao <yinjie.yao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 742a98e2e81702df8fe1b1eccee5223220a03dc2)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring 2026-05-23T11:07:11+00:00 Yinjie Yao yinjie.yao@amd.com 2026-04-27T15:46:11+00:00 a7e63bb93a7fde3c8920984c3deee9acfe461562 [ Upstream commit ea7c61c5f895e8f9ea0ffffa180498ef9c740152 ] JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. Fixes: dfad65c65728 ("drm/amdgpu: Add JPEG5 support") Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yinjie Yao <yinjie.yao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 0f43893d3cd478fa57836697525b338817c9c23d) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit ea7c61c5f895e8f9ea0ffffa180498ef9c740152 ]

JPEG rings do not support 64-bit user fence writes, reject CS
submissions with user fences.

Fixes: dfad65c65728 ("drm/amdgpu: Add JPEG5 support")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yinjie Yao <yinjie.yao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 0f43893d3cd478fa57836697525b338817c9c23d)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring 2026-05-23T11:07:11+00:00 Yinjie Yao yinjie.yao@amd.com 2026-04-27T15:46:11+00:00 f26e3f7186cd6ecc93e6af102744d64c798dea7e [ Upstream commit b65b7f3f3c18f797f81a2af7c97e2079900ad6db ] JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. Fixes: 8f98a715da8e ("drm/amdgpu/jpeg: add jpeg support for VCN4_0_5") Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yinjie Yao <yinjie.yao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit b65b7f3f3c18f797f81a2af7c97e2079900ad6db ]

JPEG rings do not support 64-bit user fence writes, reject CS
submissions with user fences.

Fixes: 8f98a715da8e ("drm/amdgpu/jpeg: add jpeg support for VCN4_0_5")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yinjie Yao <yinjie.yao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.3 ring 2026-05-23T11:07:11+00:00 Yinjie Yao yinjie.yao@amd.com 2026-04-27T15:46:11+00:00 8549b3933038e68dc61cb934b9a54223dd244a78 [ Upstream commit 83e37c0987ca92f9e87789b46dd311dcf5a4a6c8 ] JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. Fixes: e684e654eba9 ("drm/amdgpu/jpeg: add jpeg support for VCN4_0_3") Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yinjie Yao <yinjie.yao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 2f6afc97d259d530f4f86c7743efbc573a8da927) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 83e37c0987ca92f9e87789b46dd311dcf5a4a6c8 ]

JPEG rings do not support 64-bit user fence writes, reject CS
submissions with user fences.

Fixes: e684e654eba9 ("drm/amdgpu/jpeg: add jpeg support for VCN4_0_3")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yinjie Yao <yinjie.yao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 2f6afc97d259d530f4f86c7743efbc573a8da927)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0 ring 2026-05-23T11:07:11+00:00 Yinjie Yao yinjie.yao@amd.com 2026-04-27T15:46:11+00:00 6876d05b899102f4dfdb9ad560132126144c1c72 [ Upstream commit e7e90b5839aeb8805ec83bb4da610b8dab8e184d ] JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. Fixes: b13111de32a9 ("drm/amdgpu/jpeg: add jpeg support for VCN4_0_0") Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yinjie Yao <yinjie.yao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 8d0cac9478a3f046279c657d6a2545de49ae675a) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit e7e90b5839aeb8805ec83bb4da610b8dab8e184d ]

JPEG rings do not support 64-bit user fence writes, reject CS
submissions with user fences.

Fixes: b13111de32a9 ("drm/amdgpu/jpeg: add jpeg support for VCN4_0_0")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yinjie Yao <yinjie.yao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 8d0cac9478a3f046279c657d6a2545de49ae675a)
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring 2026-05-23T11:07:11+00:00 Yinjie Yao yinjie.yao@amd.com 2026-04-27T15:46:10+00:00 5ada37d7f736f9feeaa06a25e470a4c74e67a61a [ Upstream commit a2baf12eec41f246689e6a3f8619af1200031576 ] JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. Fixes: dfd57dbf44dd ("drm/amdgpu: add JPEG3.0 support for Sienna_Cichlid") Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Yinjie Yao <yinjie.yao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef) Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit a2baf12eec41f246689e6a3f8619af1200031576 ]

JPEG rings do not support 64-bit user fence writes, reject CS
submissions with user fences.

Fixes: dfd57dbf44dd ("drm/amdgpu: add JPEG3.0 support for Sienna_Cichlid")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yinjie Yao <yinjie.yao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef)
Signed-off-by: Sasha Levin <sashal@kernel.org>