From: Monk Liu Date: Fri, 30 Dec 2016 08:18:56 +0000 (+0800) Subject: drm/amdgpu/vega10:fix DOORBELL64 scheme X-Git-Tag: v4.14-rc1~674^2~26^2~78 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e6b3ecb4dbd9b03498a66fb777a54084f7182359;p=platform%2Fkernel%2Flinux-rpi3.git drm/amdgpu/vega10:fix DOORBELL64 scheme Signed-off-by: Monk Liu Signed-off-by: Xiangliang Yu Reviewed-by: Alex Deucher Acked-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index c571f68..ec5d4ae 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -706,15 +706,24 @@ typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT AMDGPU_DOORBELL64_IH_RING1 = 0xF5, /* For page migration request log */ AMDGPU_DOORBELL64_IH_RING2 = 0xF6, /* For page migration translation/invalidation log */ - /* VCN engine */ - AMDGPU_DOORBELL64_VCN0 = 0xF8, - AMDGPU_DOORBELL64_VCN1 = 0xF9, - AMDGPU_DOORBELL64_VCN2 = 0xFA, - AMDGPU_DOORBELL64_VCN3 = 0xFB, - AMDGPU_DOORBELL64_VCN4 = 0xFC, - AMDGPU_DOORBELL64_VCN5 = 0xFD, - AMDGPU_DOORBELL64_VCN6 = 0xFE, - AMDGPU_DOORBELL64_VCN7 = 0xFF, + /* VCN engine use 32 bits doorbell */ + AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */ + AMDGPU_DOORBELL64_VCN2_3 = 0xF9, + AMDGPU_DOORBELL64_VCN4_5 = 0xFA, + AMDGPU_DOORBELL64_VCN6_7 = 0xFB, + + /* overlap the doorbell assignment with VCN as they are mutually exclusive + * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD + */ + AMDGPU_DOORBELL64_RING0_1 = 0xF8, + AMDGPU_DOORBELL64_RING2_3 = 0xF9, + AMDGPU_DOORBELL64_RING4_5 = 0xFA, + AMDGPU_DOORBELL64_RING6_7 = 0xFB, + + AMDGPU_DOORBELL64_UVD_RING0_1 = 0xFC, + AMDGPU_DOORBELL64_UVD_RING2_3 = 0xFD, + AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFE, + AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFF, AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF, AMDGPU_DOORBELL64_INVALID = 0xFFFF