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drm/amdgpu: add 2rd VCN instance doorbell support

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Sienna_Cichlid have 2 VCN instances, using different register for range

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Liu 2019-10-10 09:43:34 -04:00 committed by Alex Deucher
parent 56304e72af
commit 71ac5c1fac
2 changed files with 11 additions and 2 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
View file

@ -193,8 +193,13 @@ typedef enum _AMDGPU_NAVI10_DOORBELL_ASSIGNMENT
AMDGPU_NAVI10_DOORBELL64_VCN4_5 = 0x18A,
AMDGPU_NAVI10_DOORBELL64_VCN6_7 = 0x18B,
AMDGPU_NAVI10_DOORBELL64_VCN8_9 = 0x18C,
AMDGPU_NAVI10_DOORBELL64_VCNa_b = 0x18D,
AMDGPU_NAVI10_DOORBELL64_VCNc_d = 0x18E,
AMDGPU_NAVI10_DOORBELL64_VCNe_f = 0x18F,
AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0,
AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP = AMDGPU_NAVI10_DOORBELL64_VCN6_7,
AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP = AMDGPU_NAVI10_DOORBELL64_VCNe_f,
AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT = 0x18F,
AMDGPU_NAVI10_DOORBELL_INVALID = 0xFFFF

6
drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
View file

@ -38,6 +38,9 @@
#define mmBIF_SDMA3_DOORBELL_RANGE 0x01d7
#define mmBIF_SDMA3_DOORBELL_RANGE_BASE_IDX 2
#define mmBIF_MMSCH1_DOORBELL_RANGE 0x01d8
#define mmBIF_MMSCH1_DOORBELL_RANGE_BASE_IDX 2
static void nbio_v2_3_remap_hdp_registers(struct amdgpu_device *adev)
{
WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
@ -109,7 +112,8 @@ static void nbio_v2_3_sdma_doorbell_range(struct amdgpu_device *adev, int instan
static void nbio_v2_3_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
int doorbell_index, int instance)
{
u32 reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE);
u32 reg = instance ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE) :
SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE);
u32 doorbell_range = RREG32(reg);