linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c, branch v6.6 Linux kernel source tree Revert "drm/amdgpu: Report vbios version instead of PN" 2023-09-20T21:26:15+00:00 Lijo Lazar lijo.lazar@amd.com 2023-09-14T06:16:08+00:00 06cce38ef51fc101402a0b02fca6e69c2e15ff3c This reverts commit 7748ce5b69581325cae40c2134088820f0957902. vbios_version sysfs node is used to identify Part Number also. Revert to the same so that it doesn't break scripts/software which parse this. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
This reverts commit 7748ce5b69581325cae40c2134088820f0957902.

vbios_version sysfs node is used to identify Part Number also. Revert to
the same so that it doesn't break scripts/software which parse this.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Report vbios version instead of PN 2023-08-07T21:14:09+00:00 Lijo Lazar lijo.lazar@amd.com 2023-08-02T05:11:54+00:00 7748ce5b69581325cae40c2134088820f0957902 Report VBIOS version in vbios_version sysfs node instead of part number. Part number remains constant for a SKU type. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Report VBIOS version in vbios_version sysfs node instead of part number.
Part number remains constant for a SKU type.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd: Avoid reading the VBIOS part number twice 2023-07-21T20:52:24+00:00 Mario Limonciello mario.limonciello@amd.com 2023-07-18T18:02:58+00:00 adf64e214280a0230af0638c1825b3812421c958 The VBIOS part number is read both in amdgpu_atom_parse() as well as in atom_get_vbios_pn() and stored twice in the `struct atom_context` structure. Remove the first unnecessary read and move the `pr_info` line from that read into the second. v2: squash in unused variable removal Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
The VBIOS part number is read both in amdgpu_atom_parse() as well
as in atom_get_vbios_pn() and stored twice in the `struct atom_context`
structure. Remove the first unnecessary read and move the `pr_info`
line from that read into the second.

v2: squash in unused variable removal

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Add vbios attribute only if supported 2023-06-23T19:35:26+00:00 Lijo Lazar lijo.lazar@amd.com 2023-06-15T08:43:23+00:00 184d83848242b2465b466a0a8e6eb58f1df10407 Not all devices carry VBIOS version information. Add the device attribute only if supported. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Le Ma <le.ma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Not all devices carry VBIOS version information. Add the device
attribute only if supported.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: wrap those atombios APIs used by SI under CONFIG_DRM_AMDGPU_SI 2022-01-14T22:51:15+00:00 Evan Quan evan.quan@amd.com 2021-12-02T01:50:34+00:00 1a408c710d9e273a22050b0b7b0c131f92847918 No need to compile them on CONFIG_DRM_AMDGPU_SI disabled. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
No need to compile them on CONFIG_DRM_AMDGPU_SI disabled.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: update bios scratch when setting backlight 2021-11-24T19:06:54+00:00 Alex Deucher alexander.deucher@amd.com 2021-11-23T15:44:48+00:00 1f5792549376b3c20639cef7b787cf6262177b66 Update the bios scratch register when updating the backlight level. Some platforms apparently read this scratch register and do additional operations in their hotkey handlers. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1518 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Update the bios scratch register when updating the backlight
level.  Some platforms apparently read this scratch register
and do additional operations in their hotkey handlers.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1518
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Merge drm/drm-next into drm-misc-next 2021-05-22T05:17:05+00:00 Thomas Zimmermann tzimmermann@suse.de 2021-05-22T05:17:05+00:00 304ba5dca49a21e6f4040494c669134787145118 Backmerging from drm/drm-next to the patches for AMD devices for v5.14. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> 
Backmerging from drm/drm-next to the patches for AMD devices
for v5.14.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
drm/amdgpu: Convert driver sysfs attributes to static attributes 2021-05-20T03:50:27+00:00 Andrey Grodzovsky andrey.grodzovsky@amd.com 2021-05-12T14:26:40+00:00 35bba8313b95a5cd074fc910a9c2670b4a1b105d This allows to remove explicit creation and destruction of those attrs and by this avoids warnings on device finalizing post physical device extraction. v5: Use newly added pci_driver.dev_groups directly Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210512142648.666476-9-andrey.grodzovsky@amd.com 
This allows to remove explicit creation and destruction
of those attrs and by this avoids warnings on device
finalizing post physical device extraction.

v5: Use newly added pci_driver.dev_groups directly

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210512142648.666476-9-andrey.grodzovsky@amd.com
drm/amdgpu: add atomfirmware helper function to query fw cap 2021-05-20T02:30:03+00:00 Hawking Zhang Hawking.Zhang@amd.com 2021-05-13T13:46:24+00:00 5968c6a2ba8f98fcdb64c5ef4c7ebce2a98b0f45 Fimware capability was changed from 16 bits to 32 bits for atomfirmware. add helper funciton to query firmware capability and cache the value at early stage. Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Fimware capability was changed from 16 bits to 32 bits
for atomfirmware. add helper funciton to query firmware
capability and cache the value at early stage.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: drop some unused atombios functions 2021-04-09T20:50:34+00:00 Alex Deucher alexander.deucher@amd.com 2021-03-31T14:05:28+00:00 c108aef148c4f212118141009c2949624994ea00 These were leftover from the old CI dpm code which was retired a while ago. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
These were leftover from the old CI dpm code which was
retired a while ago.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>