diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/si.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si.c | 98 |
1 files changed, 94 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 2095173aaabf..a675ec6d2811 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -32,7 +32,7 @@ #include "amdgpu_vce.h" #include "atom.h" #include "amd_pcie.h" -#include "amdgpu_powerplay.h" +#include "si_dpm.h" #include "sid.h" #include "si_ih.h" #include "gfx_v6_0.h" @@ -1231,6 +1231,92 @@ static void si_detect_hw_virtualization(struct amdgpu_device *adev) adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; } +static void si_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring) +{ + if (!ring || !ring->funcs->emit_wreg) { + WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1); + RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL); + } else { + amdgpu_ring_emit_wreg(ring, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1); + } +} + +static void si_invalidate_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + if (!ring || !ring->funcs->emit_wreg) { + WREG32(mmHDP_DEBUG0, 1); + RREG32(mmHDP_DEBUG0); + } else { + amdgpu_ring_emit_wreg(ring, mmHDP_DEBUG0, 1); + } +} + +static int si_get_pcie_lanes(struct amdgpu_device *adev) +{ + u32 link_width_cntl; + + if (adev->flags & AMD_IS_APU) + return 0; + + link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); + + switch ((link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT) { + case LC_LINK_WIDTH_X1: + return 1; + case LC_LINK_WIDTH_X2: + return 2; + case LC_LINK_WIDTH_X4: + return 4; + case LC_LINK_WIDTH_X8: + return 8; + case LC_LINK_WIDTH_X0: + case LC_LINK_WIDTH_X16: + default: + return 16; + } +} + +static void si_set_pcie_lanes(struct amdgpu_device *adev, int lanes) +{ + u32 link_width_cntl, mask; + + if (adev->flags & AMD_IS_APU) + return; + + switch (lanes) { + case 0: + mask = LC_LINK_WIDTH_X0; + break; + case 1: + mask = LC_LINK_WIDTH_X1; + break; + case 2: + mask = LC_LINK_WIDTH_X2; + break; + case 4: + mask = LC_LINK_WIDTH_X4; + break; + case 8: + mask = LC_LINK_WIDTH_X8; + break; + case 16: + mask = LC_LINK_WIDTH_X16; + break; + default: + DRM_ERROR("invalid pcie lane request: %d\n", lanes); + return; + } + + link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); + link_width_cntl &= ~LC_LINK_WIDTH_MASK; + link_width_cntl |= mask << LC_LINK_WIDTH_SHIFT; + link_width_cntl |= (LC_RECONFIG_NOW | + LC_RECONFIG_ARC_MISSING_ESCAPE); + + WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); +} + static const struct amdgpu_asic_funcs si_asic_funcs = { .read_disabled_bios = &si_read_disabled_bios, @@ -1241,7 +1327,11 @@ static const struct amdgpu_asic_funcs si_asic_funcs = .get_xclk = &si_get_xclk, .set_uvd_clocks = &si_set_uvd_clocks, .set_vce_clocks = NULL, + .get_pcie_lanes = &si_get_pcie_lanes, + .set_pcie_lanes = &si_set_pcie_lanes, .get_config_memsize = &si_get_config_memsize, + .flush_hdp = &si_flush_hdp, + .invalidate_hdp = &si_invalidate_hdp, }; static uint32_t si_get_rev_id(struct amdgpu_device *adev) @@ -1960,7 +2050,7 @@ int si_set_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &si_common_ip_block); amdgpu_device_ip_block_add(adev, &gmc_v6_0_ip_block); amdgpu_device_ip_block_add(adev, &si_ih_ip_block); - amdgpu_device_ip_block_add(adev, &amdgpu_pp_ip_block); + amdgpu_device_ip_block_add(adev, &si_smu_ip_block); if (adev->enable_virtual_display) amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); else @@ -1974,7 +2064,7 @@ int si_set_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &si_common_ip_block); amdgpu_device_ip_block_add(adev, &gmc_v6_0_ip_block); amdgpu_device_ip_block_add(adev, &si_ih_ip_block); - amdgpu_device_ip_block_add(adev, &amdgpu_pp_ip_block); + amdgpu_device_ip_block_add(adev, &si_smu_ip_block); if (adev->enable_virtual_display) amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); else @@ -1988,7 +2078,7 @@ int si_set_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &si_common_ip_block); amdgpu_device_ip_block_add(adev, &gmc_v6_0_ip_block); amdgpu_device_ip_block_add(adev, &si_ih_ip_block); - amdgpu_device_ip_block_add(adev, &amdgpu_pp_ip_block); + amdgpu_device_ip_block_add(adev, &si_smu_ip_block); if (adev->enable_virtual_display) amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); amdgpu_device_ip_block_add(adev, &gfx_v6_0_ip_block); |
