iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'amd-drm-fixes-5.14-2021-08-25' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

Browse Source 
amd-drm-fixes-5.14-2021-08-25:

amdgpu:
- Fix for pinning display buffers multiple times
- Fix delayed work handling for GFXOFF
- Fix build when CONFIG_SUSPEND is not set

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210826032658.4068-1-alexander.deucher@amd.com
This commit is contained in:
Dave Airlie 2021-08-27 10:24:07 +10:00
commit 589744dbdd
4 changed files with 36 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
View File

@ -1040,7 +1040,7 @@ void amdgpu_acpi_detect(void)
*/
bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev)
{
#if IS_ENABLED(CONFIG_AMD_PMC) && IS_ENABLED(CONFIG_PM_SLEEP)
#if IS_ENABLED(CONFIG_AMD_PMC) && IS_ENABLED(CONFIG_SUSPEND)
if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) {
if (adev->flags & AMD_IS_APU)
return pm_suspend_target_state == PM_SUSPEND_TO_IDLE;

7
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -2777,12 +2777,11 @@ static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work)
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work);
mutex_lock(&adev->gfx.gfx_off_mutex);
if (!adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) {
WARN_ON_ONCE(adev->gfx.gfx_off_state);
WARN_ON_ONCE(adev->gfx.gfx_off_req_count);
if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true))
adev->gfx.gfx_off_state = true;
}
mutex_unlock(&adev->gfx.gfx_off_mutex);
}
/**

28
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
View File

@ -563,24 +563,38 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
mutex_lock(&adev->gfx.gfx_off_mutex);
if (!enable)
adev->gfx.gfx_off_req_count++;
else if (adev->gfx.gfx_off_req_count > 0)
if (enable) {
/* If the count is already 0, it means there's an imbalance bug somewhere.
* Note that the bug may be in a different caller than the one which triggers the
* WARN_ON_ONCE.
*/
if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0))
goto unlock;
adev->gfx.gfx_off_req_count--;
if (enable && !adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) {
if (adev->gfx.gfx_off_req_count == 0 && !adev->gfx.gfx_off_state)
schedule_delayed_work(&adev->gfx.gfx_off_delay_work, GFX_OFF_DELAY_ENABLE);
} else if (!enable && adev->gfx.gfx_off_state) {
if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
} else {
if (adev->gfx.gfx_off_req_count == 0) {
cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
if (adev->gfx.gfx_off_state &&
!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
adev->gfx.gfx_off_state = false;
if (adev->gfx.funcs->init_spm_golden) {
dev_dbg(adev->dev, "GFXOFF is disabled, re-init SPM golden settings\n");
dev_dbg(adev->dev,
"GFXOFF is disabled, re-init SPM golden settings\n");
amdgpu_gfx_init_spm_golden(adev);
}
}
}
adev->gfx.gfx_off_req_count++;
}
unlock:
mutex_unlock(&adev->gfx.gfx_off_mutex);
}

10
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -920,11 +920,6 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
return -EINVAL;
}
/* This assumes only APU display buffers are pinned with (VRAM|GTT).
* See function amdgpu_display_supported_domains()
*/
domain = amdgpu_bo_get_preferred_pin_domain(adev, domain);
if (bo->tbo.pin_count) {
uint32_t mem_type = bo->tbo.resource->mem_type;
uint32_t mem_flags = bo->tbo.resource->placement;
@ -949,6 +944,11 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
return 0;
}
/* This assumes only APU display buffers are pinned with (VRAM|GTT).
* See function amdgpu_display_supported_domains()
*/
domain = amdgpu_bo_get_preferred_pin_domain(adev, domain);
if (bo->tbo.base.import_attach)
dma_buf_pin(bo->tbo.base.import_attach);