diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 9c88ce513d78..4428018672d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -21,8 +21,11 @@ * */ +#include <linux/delay.h> #include <linux/firmware.h> -#include <drm/drmP.h> +#include <linux/module.h> +#include <linux/pci.h> + #include "amdgpu.h" #include "amdgpu_ucode.h" #include "amdgpu_trace.h" @@ -210,12 +213,14 @@ static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { case CHIP_VEGA10: - soc15_program_register_sequence(adev, - golden_settings_sdma_4, - ARRAY_SIZE(golden_settings_sdma_4)); - soc15_program_register_sequence(adev, - golden_settings_sdma_vg10, - ARRAY_SIZE(golden_settings_sdma_vg10)); + if (!amdgpu_virt_support_skip_setting(adev)) { + soc15_program_register_sequence(adev, + golden_settings_sdma_4, + ARRAY_SIZE(golden_settings_sdma_4)); + soc15_program_register_sequence(adev, + golden_settings_sdma_vg10, + ARRAY_SIZE(golden_settings_sdma_vg10)); + } break; case CHIP_VEGA12: soc15_program_register_sequence(adev, @@ -1090,7 +1095,7 @@ static int sdma_v4_0_load_microcode(struct amdgpu_device *adev) static int sdma_v4_0_start(struct amdgpu_device *adev) { struct amdgpu_ring *ring; - int i, r; + int i, r = 0; if (amdgpu_sriov_vf(adev)) { sdma_v4_0_ctx_switch_enable(adev, false); @@ -1207,7 +1212,7 @@ static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring) tmp = le32_to_cpu(adev->wb.wb[index]); if (tmp == 0xDEADBEEF) break; - DRM_UDELAY(1); + udelay(1); } if (i >= adev->usec_timeout) @@ -1521,8 +1526,25 @@ static int sdma_v4_0_late_init(void *handle) } /* handle resume path. */ - if (*ras_if) + if (*ras_if) { + /* resend ras TA enable cmd during resume. + * prepare to handle failure. + */ + ih_info.head = **ras_if; + r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); + if (r) { + if (r == -EAGAIN) { + /* request a gpu reset. will run again. */ + amdgpu_ras_request_reset_on_boot(adev, + AMDGPU_RAS_BLOCK__SDMA); + return 0; + } + /* fail to enable ras, cleanup all. */ + goto irq; + } + /* enable successfully. continue. */ goto resume; + } *ras_if = kmalloc(sizeof(**ras_if), GFP_KERNEL); if (!*ras_if) @@ -1531,8 +1553,14 @@ static int sdma_v4_0_late_init(void *handle) **ras_if = ras_block; r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); - if (r) + if (r) { + if (r == -EAGAIN) { + amdgpu_ras_request_reset_on_boot(adev, + AMDGPU_RAS_BLOCK__SDMA); + r = 0; + } goto feature; + } ih_info.head = **ras_if; fs_info.head = **ras_if; @@ -1541,9 +1569,7 @@ static int sdma_v4_0_late_init(void *handle) if (r) goto interrupt; - r = amdgpu_ras_debugfs_create(adev, &fs_info); - if (r) - goto debugfs; + amdgpu_ras_debugfs_create(adev, &fs_info); r = amdgpu_ras_sysfs_create(adev, &fs_info); if (r) @@ -1564,14 +1590,13 @@ irq: amdgpu_ras_sysfs_remove(adev, *ras_if); sysfs: amdgpu_ras_debugfs_remove(adev, *ras_if); -debugfs: amdgpu_ras_interrupt_remove_handler(adev, &ih_info); interrupt: amdgpu_ras_feature_enable(adev, *ras_if, 0); feature: kfree(*ras_if); *ras_if = NULL; - return -EINVAL; + return r; } static int sdma_v4_0_sw_init(void *handle) |