leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu: provide a generic function interface for reading/writing register by KIQ

Browse Source 
Move amdgpu_virt_kiq_rreg/amdgpu_virt_kiq_wreg function to amdgpu_gfx.c,
and rename them to amdgpu_kiq_rreg/amdgpu_kiq_wreg.Make it generic and
flexible.

Signed-off-by: chen gong <curry.gong@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
chen gong
2020-01-15 14:32:00 +08:00
committed by Alex Deucher
parent a6c44d2538
commit d33a99c4b6
8 changed files with 108 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@@ -6449,6 +6449,7 @@ static void gfx_v8_0_ring_emit_patch_cond_exec(struct amdgpu_ring *ring, unsigne
static void gfx_v8_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
amdgpu_ring_write(ring, PACKET3(PACKET3_COPY_DATA, 4));
amdgpu_ring_write(ring, 0 | /* src: register*/
@@ -6457,9 +6458,9 @@ static void gfx_v8_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
amdgpu_ring_write(ring, reg);
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, lower_32_bits(adev->wb.gpu_addr +
adev->virt.reg_val_offs * 4));
kiq->reg_val_offs * 4));
amdgpu_ring_write(ring, upper_32_bits(adev->wb.gpu_addr +
adev->virt.reg_val_offs * 4));
kiq->reg_val_offs * 4));
}
static void gfx_v8_0_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,