diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 91 |
1 files changed, 90 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 9fd583c616e0..eccae63d3ef1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -30,6 +30,7 @@ #include "vid.h" #include "amdgpu.h" #include "amdgpu_display.h" +#include "amdgpu_ucode.h" #include "atom.h" #include "amdgpu_dm.h" #include "amdgpu_pm.h" @@ -50,6 +51,7 @@ #include <linux/version.h> #include <linux/types.h> #include <linux/pm_runtime.h> +#include <linux/firmware.h> #include <drm/drmP.h> #include <drm/drm_atomic.h> @@ -71,6 +73,9 @@ #include "modules/inc/mod_freesync.h" +#define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin" +MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU); + /* basic init/fini API */ static int amdgpu_dm_init(struct amdgpu_device *adev); static void amdgpu_dm_fini(struct amdgpu_device *adev); @@ -514,13 +519,97 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev) return; } -static int dm_sw_init(void *handle) +static int load_dmcu_fw(struct amdgpu_device *adev) { + const char *fw_name_dmcu; + int r; + const struct dmcu_firmware_header_v1_0 *hdr; + + switch(adev->asic_type) { + case CHIP_BONAIRE: + case CHIP_HAWAII: + case CHIP_KAVERI: + case CHIP_KABINI: + case CHIP_MULLINS: + case CHIP_TONGA: + case CHIP_FIJI: + case CHIP_CARRIZO: + case CHIP_STONEY: + case CHIP_POLARIS11: + case CHIP_POLARIS10: + case CHIP_POLARIS12: + case CHIP_VEGAM: + case CHIP_VEGA10: + case CHIP_VEGA12: + case CHIP_VEGA20: + return 0; + case CHIP_RAVEN: + fw_name_dmcu = FIRMWARE_RAVEN_DMCU; + break; + default: + DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type); + return -1; + } + + if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { + DRM_DEBUG_KMS("dm: DMCU firmware not supported on direct or SMU loading\n"); + return 0; + } + + r = request_firmware_direct(&adev->dm.fw_dmcu, fw_name_dmcu, adev->dev); + if (r == -ENOENT) { + /* DMCU firmware is not necessary, so don't raise a fuss if it's missing */ + DRM_DEBUG_KMS("dm: DMCU firmware not found\n"); + adev->dm.fw_dmcu = NULL; + return 0; + } + if (r) { + dev_err(adev->dev, "amdgpu_dm: Can't load firmware \"%s\"\n", + fw_name_dmcu); + return r; + } + + r = amdgpu_ucode_validate(adev->dm.fw_dmcu); + if (r) { + dev_err(adev->dev, "amdgpu_dm: Can't validate firmware \"%s\"\n", + fw_name_dmcu); + release_firmware(adev->dm.fw_dmcu); + adev->dm.fw_dmcu = NULL; + return r; + } + + hdr = (const struct dmcu_firmware_header_v1_0 *)adev->dm.fw_dmcu->data; + adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].ucode_id = AMDGPU_UCODE_ID_DMCU_ERAM; + adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].fw = adev->dm.fw_dmcu; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(hdr->header.ucode_size_bytes) - le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE); + + adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].ucode_id = AMDGPU_UCODE_ID_DMCU_INTV; + adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].fw = adev->dm.fw_dmcu; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE); + + DRM_DEBUG_KMS("PSP loading DMCU firmware\n"); + return 0; } +static int dm_sw_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return load_dmcu_fw(adev); +} + static int dm_sw_fini(void *handle) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if(adev->dm.fw_dmcu) { + release_firmware(adev->dm.fw_dmcu); + adev->dm.fw_dmcu = NULL; + } + return 0; } |