summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
index df34dc79d444..365517c0121e 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
@@ -34,10 +34,19 @@
#define smnCPM_CONTROL 0x11180460
#define smnPCIE_CNTL2 0x11180070
+/* vega20 */
+#define mmRCC_DEV0_EPF0_STRAP0_VG20 0x0011
+#define mmRCC_DEV0_EPF0_STRAP0_VG20_BASE_IDX 2
+
static u32 nbio_v7_0_get_rev_id(struct amdgpu_device *adev)
{
u32 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0);
+ if (adev->asic_type == CHIP_VEGA20)
+ tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0_VG20);
+ else
+ tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0);
+
tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
@@ -75,10 +84,14 @@ static void nbio_v7_0_sdma_doorbell_range(struct amdgpu_device *adev, int instan
SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE);
u32 doorbell_range = RREG32(reg);
+ u32 range = 2;
+
+ if (adev->asic_type == CHIP_VEGA20)
+ range = 8;
if (use_doorbell) {
doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index);
- doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 2);
+ doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, range);
} else
doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0);
@@ -133,6 +146,9 @@ static void nbio_v7_0_update_medium_grain_clock_gating(struct amdgpu_device *ade
{
uint32_t def, data;
+ if (adev->asic_type == CHIP_VEGA20)
+ return;
+
/* NBIF_MGCG_CTRL_LCLK */
def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK);