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drm/amdgpu:read VRAMLOST from gim 

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-10-30 20:11:54 +08:00 committed by Alex Deucher
parent 0c03b912d7
commit 75bc6099bc
3 changed files with 8 additions and 5 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -3037,11 +3037,10 @@ static int amdgpu_reset_sriov(struct amdgpu_device *adev, uint64_t *reset_flags,
amdgpu_virt_release_full_gpu(adev, true);
if (reset_flags) {
/* will get vram_lost from GIM in future, now all
* reset request considered VRAM LOST
*/
(*reset_flags) |= ~AMDGPU_RESET_INFO_VRAM_LOST;
if (adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) {
(*reset_flags) |= AMDGPU_RESET_INFO_VRAM_LOST;
atomic_inc(&adev->vram_lost_counter);
}
/* VF FLR or hotlink reset is always full-reset */
(*reset_flags) |= AMDGPU_RESET_INFO_FULLRESET;

1
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
View File

@ -334,6 +334,7 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
pf2vf_ver = adev->virt.fw_reserve.p_pf2vf->version;
AMDGPU_FW_VRAM_PF2VF_READ(adev, header.size, &pf2vf_size);
AMDGPU_FW_VRAM_PF2VF_READ(adev, checksum, &checksum);
AMDGPU_FW_VRAM_PF2VF_READ(adev, feature_flags, &adev->virt.gim_feature);
/* pf2vf message must be in 4K */
if (pf2vf_size > 0 && pf2vf_size < 4096) {

3
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
View File

@ -81,6 +81,8 @@ enum AMDGIM_FEATURE_FLAG {
AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
/* GIM supports feature of loading uCodes */
AMDGIM_FEATURE_GIM_LOAD_UCODES = 0x2,
/* VRAM LOST by GIM */
AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
};
struct amdgim_pf2vf_info_header {
@ -246,6 +248,7 @@ struct amdgpu_virt {
const struct amdgpu_virt_ops *ops;
struct amdgpu_vf_error_buffer vf_errors;
struct amdgpu_virt_fw_reserve fw_reserve;
uint32_t gim_feature;
};
#define AMDGPU_CSA_SIZE (8 * 1024)