summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/soc15.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/soc15.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc15.c167
1 files changed, 159 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 9b639974c70c..99ebcf29dcb0 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -43,6 +43,10 @@
#include "hdp/hdp_4_0_sh_mask.h"
#include "smuio/smuio_9_0_offset.h"
#include "smuio/smuio_9_0_sh_mask.h"
+#include "nbio/nbio_7_0_default.h"
+#include "nbio/nbio_7_0_sh_mask.h"
+#include "nbio/nbio_7_0_smn.h"
+#include "mp/mp_9_0_offset.h"
#include "soc15.h"
#include "soc15_common.h"
@@ -385,14 +389,13 @@ void soc15_program_register_sequence(struct amdgpu_device *adev,
}
-
-static int soc15_asic_reset(struct amdgpu_device *adev)
+static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
{
u32 i;
amdgpu_atombios_scratch_regs_engine_hung(adev, true);
- dev_info(adev->dev, "GPU reset\n");
+ dev_info(adev->dev, "GPU mode1 reset\n");
/* disable BM */
pci_clear_master(adev->pdev);
@@ -417,6 +420,63 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
return 0;
}
+static int soc15_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap)
+{
+ void *pp_handle = adev->powerplay.pp_handle;
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+
+ if (!pp_funcs || !pp_funcs->get_asic_baco_capability) {
+ *cap = false;
+ return -ENOENT;
+ }
+
+ return pp_funcs->get_asic_baco_capability(pp_handle, cap);
+}
+
+static int soc15_asic_baco_reset(struct amdgpu_device *adev)
+{
+ void *pp_handle = adev->powerplay.pp_handle;
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+
+ if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state)
+ return -ENOENT;
+
+ /* enter BACO state */
+ if (pp_funcs->set_asic_baco_state(pp_handle, 1))
+ return -EIO;
+
+ /* exit BACO state */
+ if (pp_funcs->set_asic_baco_state(pp_handle, 0))
+ return -EIO;
+
+ dev_info(adev->dev, "GPU BACO reset\n");
+
+ return 0;
+}
+
+static int soc15_asic_reset(struct amdgpu_device *adev)
+{
+ int ret;
+ bool baco_reset;
+
+ switch (adev->asic_type) {
+ case CHIP_VEGA10:
+ case CHIP_VEGA20:
+ soc15_asic_get_baco_capability(adev, &baco_reset);
+ break;
+ default:
+ baco_reset = false;
+ break;
+ }
+
+ if (baco_reset)
+ ret = soc15_asic_baco_reset(adev);
+ else
+ ret = soc15_asic_mode1_reset(adev);
+
+ return ret;
+}
+
/*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
u32 cntl_reg, u32 status_reg)
{
@@ -535,10 +595,12 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
- if (adev->asic_type == CHIP_VEGA20)
- amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
- else
- amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
+ if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
+ if (adev->asic_type == CHIP_VEGA20)
+ amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
+ else
+ amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
+ }
amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
if (!amdgpu_sriov_vf(adev))
@@ -560,7 +622,8 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
- amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
+ if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
+ amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
@@ -601,6 +664,68 @@ static bool soc15_need_full_reset(struct amdgpu_device *adev)
/* change this when we implement soft reset */
return true;
}
+static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
+ uint64_t *count1)
+{
+ uint32_t perfctr = 0;
+ uint64_t cnt0_of, cnt1_of;
+ int tmp;
+
+ /* This reports 0 on APUs, so return to avoid writing/reading registers
+ * that may or may not be different from their GPU counterparts
+ */
+ if (adev->flags & AMD_IS_APU)
+ return;
+
+ /* Set the 2 events that we wish to watch, defined above */
+ /* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */
+ perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
+ perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
+
+ /* Write to enable desired perf counters */
+ WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
+ /* Zero out and enable the perf counters
+ * Write 0x5:
+ * Bit 0 = Start all counters(1)
+ * Bit 2 = Global counter reset enable(1)
+ */
+ WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
+
+ msleep(1000);
+
+ /* Load the shadow and disable the perf counters
+ * Write 0x2:
+ * Bit 0 = Stop counters(0)
+ * Bit 1 = Load the shadow counters(1)
+ */
+ WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
+
+ /* Read register values to get any >32bit overflow */
+ tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
+ cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
+ cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
+
+ /* Get the values and add the overflow */
+ *count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
+ *count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
+}
+
+static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
+{
+ u32 sol_reg;
+
+ if (adev->flags & AMD_IS_APU)
+ return false;
+
+ /* Check sOS sign of life register to confirm sys driver and sOS
+ * are already been loaded.
+ */
+ sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
+ if (sol_reg)
+ return true;
+
+ return false;
+}
static const struct amdgpu_asic_funcs soc15_asic_funcs =
{
@@ -617,6 +742,8 @@ static const struct amdgpu_asic_funcs soc15_asic_funcs =
.invalidate_hdp = &soc15_invalidate_hdp,
.need_full_reset = &soc15_need_full_reset,
.init_doorbell_index = &vega10_doorbell_index_init,
+ .get_pcie_usage = &soc15_get_pcie_usage,
+ .need_reset_on_init = &soc15_need_reset_on_init,
};
static const struct amdgpu_asic_funcs vega20_asic_funcs =
@@ -634,6 +761,8 @@ static const struct amdgpu_asic_funcs vega20_asic_funcs =
.invalidate_hdp = &soc15_invalidate_hdp,
.need_full_reset = &soc15_need_full_reset,
.init_doorbell_index = &vega20_doorbell_index_init,
+ .get_pcie_usage = &soc15_get_pcie_usage,
+ .need_reset_on_init = &soc15_need_reset_on_init,
};
static int soc15_common_early_init(void *handle)
@@ -842,6 +971,22 @@ static int soc15_common_sw_fini(void *handle)
return 0;
}
+static void soc15_doorbell_range_init(struct amdgpu_device *adev)
+{
+ int i;
+ struct amdgpu_ring *ring;
+
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ ring = &adev->sdma.instance[i].ring;
+ adev->nbio_funcs->sdma_doorbell_range(adev, i,
+ ring->use_doorbell, ring->doorbell_index,
+ adev->doorbell_index.sdma_doorbell_range);
+ }
+
+ adev->nbio_funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
+ adev->irq.ih.doorbell_index);
+}
+
static int soc15_common_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -854,6 +999,12 @@ static int soc15_common_hw_init(void *handle)
adev->nbio_funcs->init_registers(adev);
/* enable the doorbell aperture */
soc15_enable_doorbell_aperture(adev, true);
+ /* HW doorbell routing policy: doorbell writing not
+ * in SDMA/IH/MM/ACV range will be routed to CP. So
+ * we need to init SDMA/IH/MM/ACV doorbell range prior
+ * to CP ip block init and ring test.
+ */
+ soc15_doorbell_range_init(adev);
return 0;
}