diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
| commit | cbd32a1c56e36fedaa93a727699188bd3e6e6f67 (patch) | |
| tree | 199e302eb5a66725a9d1774e47367a87098ba397 /drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | |
| parent | 48c7d73b2362ce61503551ad70052617b3e8857d (diff) | |
| parent | b61fbc887af7a13a1c90c84c1feaeb4c9780e1e2 (diff) | |
Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull a single EFI fix for v5.3 from Ard:
- Fix mixed mode breakage in EFI config table handling for TPM.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c index 115bb0c99b0f..5c13c503e61f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c @@ -20,10 +20,14 @@ * OTHER DEALINGS IN THE SOFTWARE. * */ -#include <drm/drmP.h> + #include "amdgpu.h" #include "amdgpu_sdma.h" +#define AMDGPU_CSA_SDMA_SIZE 64 +/* SDMA CSA reside in the 3rd page of CSA */ +#define AMDGPU_CSA_SDMA_OFFSET (4096 * 2) + /* * GPU SDMA IP block helpers function. */ @@ -56,3 +60,26 @@ int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index) return -EINVAL; } + +uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, + unsigned vmid) +{ + struct amdgpu_device *adev = ring->adev; + uint64_t csa_mc_addr; + uint32_t index = 0; + int r; + + if (vmid == 0 || !amdgpu_mcbp) + return 0; + + r = amdgpu_sdma_get_index_from_ring(ring, &index); + + if (r || index > 31) + csa_mc_addr = 0; + else + csa_mc_addr = amdgpu_csa_vaddr(adev) + + AMDGPU_CSA_SDMA_OFFSET + + index * AMDGPU_CSA_SDMA_SIZE; + + return csa_mc_addr; +} |