linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h, branch v5.15

drm/amdgpu: handle the case of pci_channel_io_frozen only in amdgpu_pci_resume

2021-10-05T17:02:31Z

In current code, when a PCI error state pci_channel_io_normal is detectd, it will report PCI_ERS_RESULT_CAN_RECOVER status to PCI driver, and PCI driver will continue the execution of PCI resume callback report_resume by pci_walk_bridge, and the callback will go into amdgpu_pci_resume finally, where write lock is releasd unconditionally without acquiring such lock first. In this case, a deadlock will happen when other threads start to acquire the read lock. To fix this, add a member in amdgpu_device strucutre to cache pci_channel_state, and only continue the execution in amdgpu_pci_resume when it's pci_channel_io_frozen. Fixes: c9a6b82f45e2 ("drm/amdgpu: Implement DPC recovery") Suggested-by: Andrey Grodzovsky Signed-off-by: Guchun Chen Reviewed-by: Andrey Grodzovsky Signed-off-by: Alex Deucher

drm/amd/amdgpu: Increase HWIP_MAX_INSTANCE to 10

2021-09-14T20:14:41Z

Seems like newer cards can have even more instances now. Found by UBSAN: array-index-out-of-bounds in drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:318:29 index 8 is out of range for type 'uint32_t *[8]' Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1697 Cc: stable@vger.kernel.org Signed-off-by: Ernst Sjöstrand Signed-off-by: Alex Deucher

drm/amdgpu: Add driver infrastructure for MCA RAS

2021-08-24T19:36:18Z

Add MCA specific IP blocks targetting RAS features Reviewed-by: Hawking Zhang Signed-off-by: John Clements Signed-off-by: Alex Deucher

drm/amd/pm: drop the unnecessary intermediate percent-based transition

2021-08-16T19:35:56Z

Currently, the readout of fan speed pwm is transited into percent-based and then pwm-based. However, the transition into percent-based is totally unnecessary and make the final output less accurate. Signed-off-by: Evan Quan Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amdgpu: create amdgpu_vkms (v4)

2021-08-06T01:17:58Z

Modify the VKMS driver into an api that dce_virtual can use to create virtual displays that obey drm's atomic modesetting api. v2: Made local functions static. v3: Switched vkms_output kzalloc for kcalloc. Cleanup patches by moving display mode fixes to this patch. v4: Update atomic_check and atomic_update to comply with new kms api. Signed-off-by: Ryan Taylor Reported-by: kernel test robot Suggested-by: Alex Deucher Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amdgpu: Rename amdgpu_acpi_is_s0ix_supported

2021-07-27T16:04:26Z

Rename amdgpu_acpi_is_s0ix_supported to better explain functionality by renaming to amdgpu_acpi_is_s0ix_active Signed-off-by: Pratik Vishwakarma Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amdgpu: split amdgpu_device_access_vram() into two small parts

2021-07-16T17:58:13Z

split amdgpu_device_access_vram() 1. amdgpu_device_mm_access(): using MM_INDEX/MM_DATA to access vram 2. amdgpu_device_aper_access(): using vram aperature to access vram (option) Signed-off-by: Kevin Wang Reviewed-by: Christian König Signed-off-by: Alex Deucher

amdgpu/nv.c - Optimize code for video codec support structure

2021-07-16T17:46:09Z

Optimized the code for codec info structure initialization Signed-off-by: Veerabadhran Gopalakrishnan Reviewed-by: James Zhu Signed-off-by: Alex Deucher

drm/amdgpu: Don't flush/invalidate HDP for APUs and A+A

2021-06-04T20:02:38Z

Integrate two generic functions to determine if HDP flush is needed for all Asics. Signed-off-by: Eric Huang Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: attr to control SS2.0 bias level (v2)

2021-06-04T16:40:00Z

add sysfs attr to read/write smartshift bias level. document smartshift_bias sysfs attr. V2: add attr to amdgpu_device_attrs and use attr_update (Lijo) Signed-off-by: Sathishkumar S Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher