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drm/amdgpu: Add a new flag for SR-IOV to share memory between PF & VF 

Add ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION to identify whether
driver need to reserve VRAM for SR-IOV shared memory.

Signed-off-by: Horace Chen <horace.chen@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Horace Chen 2017-09-27 16:13:17 +08:00 committed by Alex Deucher
parent c6c5b32438
commit 20a3a71da5
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/include/atombios.h
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@ -4292,6 +4292,7 @@ typedef struct _ATOM_DPCD_INFO
#define ATOM_VRAM_OPERATION_FLAGS_SHIFT 30
#define ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION 0x1
#define ATOM_VRAM_BLOCK_NEEDS_RESERVATION 0x0
#define ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION 0x2
/***********************************************************************************/
// Structure used in VRAM_UsageByFirmwareTable