From 0d52c6a13eb1fd45a6d31825848efc800d38b3c9 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Tue, 21 Mar 2017 12:51:48 +0800 Subject: [PATCH] drm/amdgpu: load mc firware in driver for Polaris. load mc ucode in driver if VBIOS not loaded a full version of MC ucode, Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Reviewed-by: jimqu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 90 +++++++++++++++++++++++++-- 1 file changed, 84 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 5fcb64e7fbad..ead889aa6fa7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -253,14 +253,14 @@ out: } /** - * gmc_v8_0_mc_load_microcode - load MC ucode into the hw + * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw * * @adev: amdgpu_device pointer * * Load the GDDR MC ucode into the hw (CIK). * Returns 0 on success, error on failure. */ -static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) +static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev) { const struct mc_firmware_header_v1_0 *hdr; const __le32 *fw_data = NULL; @@ -268,9 +268,6 @@ static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) u32 running; int i, ucode_size, regs_size; - if (!adev->mc.fw) - return -EINVAL; - /* Skip MC ucode loading on SR-IOV capable boards. * vbios does this for us in asic_init in that case. * Skip MC ucode loading on VF, because hypervisor will do that @@ -279,6 +276,9 @@ static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) if (amdgpu_sriov_bios(adev)) return 0; + if (!adev->mc.fw) + return -EINVAL; + hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data; amdgpu_ucode_print_mc_hdr(&hdr->header); @@ -329,6 +329,76 @@ static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) return 0; } +static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev) +{ + const struct mc_firmware_header_v1_0 *hdr; + const __le32 *fw_data = NULL; + const __le32 *io_mc_regs = NULL; + u32 data, vbios_version; + int i, ucode_size, regs_size; + + /* Skip MC ucode loading on SR-IOV capable boards. + * vbios does this for us in asic_init in that case. + * Skip MC ucode loading on VF, because hypervisor will do that + * for this adaptor. + */ + if (amdgpu_sriov_bios(adev)) + return 0; + + WREG32(mmMC_SEQ_IO_DEBUG_INDEX, 0x9F); + data = RREG32(mmMC_SEQ_IO_DEBUG_DATA); + vbios_version = data & 0xf; + + if (vbios_version == 0) + return 0; + + if (!adev->mc.fw) + return -EINVAL; + + hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data; + amdgpu_ucode_print_mc_hdr(&hdr->header); + + adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version); + regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); + io_mc_regs = (const __le32 *) + (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); + ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; + fw_data = (const __le32 *) + (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); + + data = RREG32(mmMC_SEQ_MISC0); + data &= ~(0x40); + WREG32(mmMC_SEQ_MISC0, data); + + /* load mc io regs */ + for (i = 0; i < regs_size; i++) { + WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); + WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); + } + + WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); + WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); + + /* load the MC ucode */ + for (i = 0; i < ucode_size; i++) + WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); + + /* put the engine back into the active state */ + WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); + WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); + WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); + + /* wait for training to complete */ + for (i = 0; i < adev->usec_timeout; i++) { + data = RREG32(mmMC_SEQ_MISC0); + if (data & 0x80) + break; + udelay(1); + } + + return 0; +} + static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) { @@ -1095,7 +1165,15 @@ static int gmc_v8_0_hw_init(void *handle) gmc_v8_0_mc_program(adev); if (adev->asic_type == CHIP_TONGA) { - r = gmc_v8_0_mc_load_microcode(adev); + r = gmc_v8_0_tonga_mc_load_microcode(adev); + if (r) { + DRM_ERROR("Failed to load MC firmware!\n"); + return r; + } + } else if (adev->asic_type == CHIP_POLARIS11 || + adev->asic_type == CHIP_POLARIS10 || + adev->asic_type == CHIP_POLARIS12) { + r = gmc_v8_0_polaris_mc_load_microcode(adev); if (r) { DRM_ERROR("Failed to load MC firmware!\n"); return r; -- 2.20.1