[PATCH 1/3] drm/amdgpu: Add a new flag for SR-IOV to share memory between PF & VF

Horace Chen horace.chen at amd.com
Wed Sep 27 09:23:49 UTC 2017


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 at amd.com>
---
 drivers/gpu/drm/amd/include/atombios.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/include/atombios.h b/drivers/gpu/drm/amd/include/atombios.h
index 181a2c3..f696bbb 100644
--- a/drivers/gpu/drm/amd/include/atombios.h
+++ b/drivers/gpu/drm/amd/include/atombios.h
@@ -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
-- 
2.7.4



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