diff options
| author | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-06-29 05:54:49 +0300 |
|---|---|---|
| committer | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-06-29 05:54:49 +0300 |
| commit | 74f1af95820fc2ee580a775a3a17c416db30b38c (patch) | |
| tree | 7c82cffe3c1d99b99053d28b57a4ac5d81f85844 /drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | |
| parent | d3deabe4c619875714b9a844b1a3d9752dbae1dd (diff) | |
| parent | f41830c57bb8e70e283b9db251c95f1270a8279d (diff) | |
| download | linux-74f1af95820fc2ee580a775a3a17c416db30b38c.tar.xz | |
Merge remote-tracking branch 'drm/drm-next' into msm-next
Back-merge drm-next to (indirectly) get arm-smmu updates for making
stall-on-fault more reliable.
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index 9e738fae2b74..a0e9bf9b2710 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -270,9 +270,10 @@ static int amdgpu_discovery_read_binary_from_sysmem(struct amdgpu_device *adev, static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev, uint8_t *binary) { + bool sz_valid = true; uint64_t vram_size; - u32 msg; int i, ret = 0; + u32 msg; if (!amdgpu_sriov_vf(adev)) { /* It can take up to a second for IFWI init to complete on some dGPUs, @@ -291,9 +292,13 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev, } } - vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20; + vram_size = RREG32(mmRCC_CONFIG_MEMSIZE); + if (!vram_size || vram_size == U32_MAX) + sz_valid = false; + else + vram_size <<= 20; - if (vram_size) { + if (sz_valid) { uint64_t pos = vram_size - DISCOVERY_TMR_OFFSET; amdgpu_device_vram_access(adev, pos, (uint32_t *)binary, adev->mman.discovery_tmr_size, false); @@ -301,6 +306,11 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev, ret = amdgpu_discovery_read_binary_from_sysmem(adev, binary); } + if (ret) + dev_err(adev->dev, + "failed to read discovery info from memory, vram size read: %llx", + vram_size); + return ret; } |