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

drm/amdgpu: set cpg doorbell for fiji and polaris.

Browse Source 
add set_doorbell functions for mec and cpg.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-04-11 15:44:29 +08:00 committed by Alex Deucher
parent a99f249d49
commit 4f339b2936
1 changed files with 43 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -4477,6 +4477,39 @@ static int gfx_v8_0_cp_gfx_start(struct amdgpu_device *adev)
return 0;
}
static void gfx_v8_0_set_cpg_door_bell(struct amdgpu_device *adev, struct amdgpu_ring *ring)
{
u32 tmp;
/* no gfx doorbells on iceland */
if (adev->asic_type == CHIP_TOPAZ)
return;
tmp = RREG32(mmCP_RB_DOORBELL_CONTROL);
if (ring->use_doorbell) {
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
DOORBELL_OFFSET, ring->doorbell_index);
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
DOORBELL_HIT, 0);
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
DOORBELL_EN, 1);
} else {
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL, DOORBELL_EN, 0);
}
WREG32(mmCP_RB_DOORBELL_CONTROL, tmp);
if (adev->flags & AMD_IS_APU)
return;
tmp = REG_SET_FIELD(0, CP_RB_DOORBELL_RANGE_LOWER,
DOORBELL_RANGE_LOWER,
AMDGPU_DOORBELL_GFX_RING0);
WREG32(mmCP_RB_DOORBELL_RANGE_LOWER, tmp);
WREG32(mmCP_RB_DOORBELL_RANGE_UPPER,
CP_RB_DOORBELL_RANGE_UPPER__DOORBELL_RANGE_UPPER_MASK);
}
static int gfx_v8_0_cp_gfx_resume(struct amdgpu_device *adev)
{
@ -4524,34 +4557,7 @@ static int gfx_v8_0_cp_gfx_resume(struct amdgpu_device *adev)
WREG32(mmCP_RB0_BASE, rb_addr);
WREG32(mmCP_RB0_BASE_HI, upper_32_bits(rb_addr));
/* no gfx doorbells on iceland */
if (adev->asic_type != CHIP_TOPAZ) {
tmp = RREG32(mmCP_RB_DOORBELL_CONTROL);
if (ring->use_doorbell) {
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
DOORBELL_OFFSET, ring->doorbell_index);
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
DOORBELL_HIT, 0);
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
DOORBELL_EN, 1);
} else {
tmp = REG_SET_FIELD(tmp, CP_RB_DOORBELL_CONTROL,
DOORBELL_EN, 0);
}
WREG32(mmCP_RB_DOORBELL_CONTROL, tmp);
if (adev->asic_type == CHIP_TONGA) {
tmp = REG_SET_FIELD(0, CP_RB_DOORBELL_RANGE_LOWER,
DOORBELL_RANGE_LOWER,
AMDGPU_DOORBELL_GFX_RING0);
WREG32(mmCP_RB_DOORBELL_RANGE_LOWER, tmp);
WREG32(mmCP_RB_DOORBELL_RANGE_UPPER,
CP_RB_DOORBELL_RANGE_UPPER__DOORBELL_RANGE_UPPER_MASK);
}
}
gfx_v8_0_set_cpg_door_bell(adev, ring);
/* start the ring */
amdgpu_ring_clear_ring(ring);
gfx_v8_0_cp_gfx_start(adev);
@ -5028,6 +5034,14 @@ static int gfx_v8_0_kcq_init_queue(struct amdgpu_ring *ring)
return 0;
}
static void gfx_v8_0_set_mec_doorbell_range(struct amdgpu_device *adev)
{
if (adev->asic_type > CHIP_TONGA) {
WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER, AMDGPU_DOORBELL_KIQ << 2);
WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER, AMDGPU_DOORBELL_MEC_RING7 << 2);
}
}
static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = NULL;
@ -5068,17 +5082,7 @@ static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
goto done;
}
if ((adev->asic_type == CHIP_CARRIZO) ||
(adev->asic_type == CHIP_FIJI) ||
(adev->asic_type == CHIP_STONEY) ||
(adev->asic_type == CHIP_POLARIS10) ||
(adev->asic_type == CHIP_POLARIS11) ||
(adev->asic_type == CHIP_POLARIS12)) {
WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER,
AMDGPU_DOORBELL_KIQ << 2);
WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER,
AMDGPU_DOORBELL_MEC_RING7 << 2);
}
gfx_v8_0_set_mec_doorbell_range(adev);
r = gfx_v8_0_kiq_kcq_enable(adev);
if (r)