diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 81 |
1 files changed, 74 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 1e2cc9d68a05..5924d89e0aee 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -81,6 +81,8 @@ #define KMS_DRIVER_MINOR 32 #define KMS_DRIVER_PATCHLEVEL 0 +#define AMDGPU_MAX_TIMEOUT_PARAM_LENTH 256 + int amdgpu_vram_limit = 0; int amdgpu_vis_vram_limit = 0; int amdgpu_gart_size = -1; /* auto */ @@ -93,7 +95,7 @@ int amdgpu_disp_priority = 0; int amdgpu_hw_i2c = 0; int amdgpu_pcie_gen2 = -1; int amdgpu_msi = -1; -int amdgpu_lockup_timeout = 10000; +char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENTH]; int amdgpu_dpm = -1; int amdgpu_fw_load_type = -1; int amdgpu_aspm = -1; @@ -227,12 +229,21 @@ MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(msi, amdgpu_msi, int, 0444); /** - * DOC: lockup_timeout (int) - * Set GPU scheduler timeout value in ms. Value 0 is invalidated, will be adjusted to 10000. - * Negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET). The default is 10000. - */ -MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms > 0 (default 10000)"); -module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444); + * DOC: lockup_timeout (string) + * Set GPU scheduler timeout value in ms. + * + * The format can be [Non-Compute] or [GFX,Compute,SDMA,Video]. That is there can be one or + * multiple values specified. 0 and negative values are invalidated. They will be adjusted + * to default timeout. + * - With one value specified, the setting will apply to all non-compute jobs. + * - With multiple values specified, the first one will be for GFX. The second one is for Compute. + * And the third and fourth ones are for SDMA and Video. + * By default(with no lockup_timeout settings), the timeout for all non-compute(GFX, SDMA and Video) + * jobs is 10000. And there is no timeout enforced on compute jobs. + */ +MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default: 10000 for non-compute jobs and no timeout for compute jobs), " + "format is [Non-Compute] or [GFX,Compute,SDMA,Video]"); +module_param_string(lockup_timeout, amdgpu_lockup_timeout, sizeof(amdgpu_lockup_timeout), 0444); /** * DOC: dpm (int) @@ -1216,6 +1227,62 @@ int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv) return 0; } +int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) +{ + char *input = amdgpu_lockup_timeout; + char *timeout_setting = NULL; + int index = 0; + long timeout; + int ret = 0; + + /* + * By default timeout for non compute jobs is 10000. + * And there is no timeout enforced on compute jobs. + */ + adev->gfx_timeout = adev->sdma_timeout = adev->video_timeout = 10000; + adev->compute_timeout = MAX_SCHEDULE_TIMEOUT; + + if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENTH)) { + while ((timeout_setting = strsep(&input, ",")) && + strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENTH)) { + ret = kstrtol(timeout_setting, 0, &timeout); + if (ret) + return ret; + + /* Invalidate 0 and negative values */ + if (timeout <= 0) { + index++; + continue; + } + + switch (index++) { + case 0: + adev->gfx_timeout = timeout; + break; + case 1: + adev->compute_timeout = timeout; + break; + case 2: + adev->sdma_timeout = timeout; + break; + case 3: + adev->video_timeout = timeout; + break; + default: + break; + } + } + /* + * There is only one value specified and + * it should apply to all non-compute jobs. + */ + if (index == 1) + adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; + } + + return ret; +} + static bool amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe, bool in_vblank_irq, int *vpos, int *hpos, |