diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 93 |
1 files changed, 43 insertions, 50 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index 82155ac3288a..cc9c9f8b23b2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -36,17 +36,17 @@ #include "acp_gfx_if.h" -#define ACP_TILE_ON_MASK 0x03 -#define ACP_TILE_OFF_MASK 0x02 -#define ACP_TILE_ON_RETAIN_REG_MASK 0x1f -#define ACP_TILE_OFF_RETAIN_REG_MASK 0x20 +#define ACP_TILE_ON_MASK 0x03 +#define ACP_TILE_OFF_MASK 0x02 +#define ACP_TILE_ON_RETAIN_REG_MASK 0x1f +#define ACP_TILE_OFF_RETAIN_REG_MASK 0x20 -#define ACP_TILE_P1_MASK 0x3e -#define ACP_TILE_P2_MASK 0x3d -#define ACP_TILE_DSP0_MASK 0x3b -#define ACP_TILE_DSP1_MASK 0x37 +#define ACP_TILE_P1_MASK 0x3e +#define ACP_TILE_P2_MASK 0x3d +#define ACP_TILE_DSP0_MASK 0x3b +#define ACP_TILE_DSP1_MASK 0x37 -#define ACP_TILE_DSP2_MASK 0x2f +#define ACP_TILE_DSP2_MASK 0x2f #define ACP_DMA_REGS_END 0x146c0 #define ACP_I2S_PLAY_REGS_START 0x14840 @@ -75,8 +75,8 @@ #define mmACP_CONTROL 0x5131 #define mmACP_STATUS 0x5133 #define mmACP_SOFT_RESET 0x5134 -#define ACP_CONTROL__ClkEn_MASK 0x1 -#define ACP_SOFT_RESET__SoftResetAud_MASK 0x100 +#define ACP_CONTROL__ClkEn_MASK 0x1 +#define ACP_SOFT_RESET__SoftResetAud_MASK 0x100 #define ACP_SOFT_RESET__SoftResetAudDone_MASK 0x1000000 #define ACP_CLOCK_EN_TIME_OUT_VALUE 0x000000FF #define ACP_SOFT_RESET_DONE_TIME_OUT_VALUE 0x000000FF @@ -136,9 +136,7 @@ static int acp_poweroff(struct generic_pm_domain *genpd) * 2. power off the acp tiles * 3. check and enter ulv state */ - if (adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->set_powergating_by_smu) - amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true); + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true); } return 0; } @@ -157,38 +155,47 @@ static int acp_poweron(struct generic_pm_domain *genpd) * 2. turn on acp clock * 3. power on acp tiles */ - if (adev->powerplay.pp_funcs->set_powergating_by_smu) - amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, false); + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, false); } return 0; } -static struct device *get_mfd_cell_dev(const char *device_name, int r) +static int acp_genpd_add_device(struct device *dev, void *data) +{ + struct generic_pm_domain *gpd = data; + int ret; + + ret = pm_genpd_add_device(gpd, dev); + if (ret) + dev_err(dev, "Failed to add dev to genpd %d\n", ret); + + return ret; +} + +static int acp_genpd_remove_device(struct device *dev, void *data) { - char auto_dev_name[25]; - struct device *dev; + int ret; - snprintf(auto_dev_name, sizeof(auto_dev_name), - "%s.%d.auto", device_name, r); - dev = bus_find_device_by_name(&platform_bus_type, NULL, auto_dev_name); - dev_info(dev, "device %s added to pm domain\n", auto_dev_name); + ret = pm_genpd_remove_device(dev); + if (ret) + dev_err(dev, "Failed to remove dev from genpd %d\n", ret); - return dev; + /* Continue to remove */ + return 0; } /** * acp_hw_init - start and test ACP block * - * @adev: amdgpu_device pointer + * @handle: handle used to pass amdgpu_device pointer * */ static int acp_hw_init(void *handle) { - int r, i; + int r; uint64_t acp_base; u32 val = 0; u32 count = 0; - struct device *dev; struct i2s_platform_data *i2s_pdata = NULL; struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -344,15 +351,10 @@ static int acp_hw_init(void *handle) if (r) goto failure; - for (i = 0; i < ACP_DEVS ; i++) { - dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i); - r = pm_genpd_add_device(&adev->acp.acp_genpd->gpd, dev); - if (r) { - dev_err(dev, "Failed to add dev to genpd\n"); - goto failure; - } - } - + r = device_for_each_child(adev->acp.parent, &adev->acp.acp_genpd->gpd, + acp_genpd_add_device); + if (r) + goto failure; /* Assert Soft reset of ACP */ val = cgs_read_register(adev->acp.cgs_device, mmACP_SOFT_RESET); @@ -408,15 +410,13 @@ failure: /** * acp_hw_fini - stop the hardware block * - * @adev: amdgpu_device pointer + * @handle: handle used to pass amdgpu_device pointer * */ static int acp_hw_fini(void *handle) { - int i, ret; u32 val = 0; u32 count = 0; - struct device *dev; struct amdgpu_device *adev = (struct amdgpu_device *)handle; /* return early if no ACP */ @@ -461,13 +461,8 @@ static int acp_hw_fini(void *handle) udelay(100); } - for (i = 0; i < ACP_DEVS ; i++) { - dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i); - ret = pm_genpd_remove_device(dev); - /* If removal fails, dont giveup and try rest */ - if (ret) - dev_err(dev, "remove dev from genpd failed\n"); - } + device_for_each_child(adev->acp.parent, NULL, + acp_genpd_remove_device); mfd_remove_devices(adev->acp.parent); kfree(adev->acp.acp_res); @@ -527,11 +522,9 @@ static int acp_set_powergating_state(void *handle, enum amd_powergating_state state) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - bool enable = state == AMD_PG_STATE_GATE ? true : false; + bool enable = (state == AMD_PG_STATE_GATE); - if (adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->set_powergating_by_smu) - amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, enable); + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, enable); return 0; } |