diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 98 |
1 files changed, 78 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 093141ad6ed0..acd22bff1882 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -36,11 +36,19 @@ #include "atombios_encoders.h" #include "bif/bif_4_1_d.h" -static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev, - ATOM_GPIO_I2C_ASSIGMENT *gpio, - u8 index) +/* VBIOS-reported table size is unchecked against the image; cap iterations and + * adev->i2c_bus[] indexing to AMDGPU_MAX_I2C_BUS. + */ +static int amdgpu_atombios_gpio_i2c_num_entries(uint16_t size) { + u32 bytes; + + if (size < sizeof(ATOM_COMMON_TABLE_HEADER)) + return 0; + bytes = size - sizeof(ATOM_COMMON_TABLE_HEADER); + return (int)min_t(u32, bytes / sizeof(ATOM_GPIO_I2C_ASSIGMENT), + AMDGPU_MAX_I2C_BUS); } static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio) @@ -103,14 +111,10 @@ struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device * if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); - num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / - sizeof(ATOM_GPIO_I2C_ASSIGMENT); + num_indices = amdgpu_atombios_gpio_i2c_num_entries(size); gpio = &i2c_info->asGPIO_Info[0]; for (i = 0; i < num_indices; i++) { - - amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i); - if (gpio->sucI2cId.ucAccess == id) { i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio); break; @@ -137,13 +141,10 @@ void amdgpu_atombios_i2c_init(struct amdgpu_device *adev) if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); - num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / - sizeof(ATOM_GPIO_I2C_ASSIGMENT); + num_indices = amdgpu_atombios_gpio_i2c_num_entries(size); gpio = &i2c_info->asGPIO_Info[0]; for (i = 0; i < num_indices; i++) { - amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i); - i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio); if (i2c.valid) { @@ -156,6 +157,37 @@ void amdgpu_atombios_i2c_init(struct amdgpu_device *adev) } } +void amdgpu_atombios_oem_i2c_init(struct amdgpu_device *adev, u8 i2c_id) +{ + struct atom_context *ctx = adev->mode_info.atom_context; + ATOM_GPIO_I2C_ASSIGMENT *gpio; + struct amdgpu_i2c_bus_rec i2c; + int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info); + struct _ATOM_GPIO_I2C_INFO *i2c_info; + uint16_t data_offset, size; + int i, num_indices; + char stmp[32]; + + if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { + i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); + + num_indices = amdgpu_atombios_gpio_i2c_num_entries(size); + + gpio = &i2c_info->asGPIO_Info[0]; + for (i = 0; i < num_indices; i++) { + i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio); + + if (i2c.valid && i2c.i2c_id == i2c_id) { + sprintf(stmp, "OEM 0x%x", i2c.i2c_id); + adev->i2c_bus[i] = amdgpu_i2c_create(adev_to_drm(adev), &i2c, stmp); + break; + } + gpio = (ATOM_GPIO_I2C_ASSIGMENT *) + ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT)); + } + } +} + struct amdgpu_gpio_rec amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev, u8 id) @@ -686,7 +718,6 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); - adev->clock.current_dispclk = adev->clock.default_dispclk; adev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock); if (adev->clock.max_pixel_clock == 0) @@ -1666,9 +1697,9 @@ static int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev) (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION << ATOM_VRAM_OPERATION_FLAGS_SHIFT)) { /* Firmware request VRAM reservation for SR-IOV */ - adev->mman.fw_vram_usage_start_offset = (start_addr & - (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10; - adev->mman.fw_vram_usage_size = size << 10; + amdgpu_ttm_init_vram_resv(adev, AMDGPU_RESV_FW_VRAM_USAGE, + (start_addr & (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10, + size << 10, true); /* Use the default scratch size */ usage_bytes = 0; } else { @@ -1796,16 +1827,43 @@ static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev, return sysfs_emit(buf, "%s\n", ctx->vbios_pn); } +static ssize_t amdgpu_atombios_get_vbios_build(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + struct atom_context *ctx = adev->mode_info.atom_context; + + return sysfs_emit(buf, "%s\n", ctx->build_num); +} + static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version, NULL); +static DEVICE_ATTR(vbios_build, 0444, amdgpu_atombios_get_vbios_build, NULL); static struct attribute *amdgpu_vbios_version_attrs[] = { - &dev_attr_vbios_version.attr, - NULL + &dev_attr_vbios_version.attr, &dev_attr_vbios_build.attr, NULL }; +static umode_t amdgpu_vbios_version_attrs_is_visible(struct kobject *kobj, + struct attribute *attr, + int index) +{ + struct device *dev = kobj_to_dev(kobj); + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + struct atom_context *ctx = adev->mode_info.atom_context; + + if (attr == &dev_attr_vbios_build.attr && !strlen(ctx->build_num)) + return 0; + + return attr->mode; +} + const struct attribute_group amdgpu_vbios_version_attr_group = { - .attrs = amdgpu_vbios_version_attrs + .attrs = amdgpu_vbios_version_attrs, + .is_visible = amdgpu_vbios_version_attrs_is_visible, }; int amdgpu_atombios_sysfs_init(struct amdgpu_device *adev) @@ -1851,7 +1909,7 @@ void amdgpu_atombios_fini(struct amdgpu_device *adev) int amdgpu_atombios_init(struct amdgpu_device *adev) { struct card_info *atom_card_info = - kzalloc(sizeof(struct card_info), GFP_KERNEL); + kzalloc_obj(struct card_info); if (!atom_card_info) return -ENOMEM; |