diff options
| author | Benjamin Chan <benjamin.chan@amd.com> | 2025-01-31 22:03:46 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-02-27 23:52:49 +0300 |
| commit | dce1b8239803c456e5c6a9f45164d16cf11e3470 (patch) | |
| tree | dfef9b9b8da8303a5f9ac1a9e5e32d5e2dd00478 /drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c | |
| parent | 4343f814e53f461c3040dfd3481aa7d8fcd02449 (diff) | |
| download | linux-dce1b8239803c456e5c6a9f45164d16cf11e3470.tar.xz | |
drm/amdgpu: Add amdisp pinctrl MFD resource
AMDISP GPIO control uses a dedicated pinctrl driver,
and requires MFD hotadd GPIO resources.
Co-developed-by: Pratap Nirujogi <pratap.nirujogi@amd.com>
Signed-off-by: Benjamin Chan <benjamin.chan@amd.com>
Signed-off-by: Pratap Nirujogi <pratap.nirujogi@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c b/drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c index 2475564b2c08..0027a639c7e6 100644 --- a/drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c @@ -50,7 +50,7 @@ static int isp_v4_1_0_hw_init(struct amdgpu_isp *isp) isp_base = adev->rmmio_base; - isp->isp_cell = kcalloc(2, sizeof(struct mfd_cell), GFP_KERNEL); + isp->isp_cell = kcalloc(3, sizeof(struct mfd_cell), GFP_KERNEL); if (!isp->isp_cell) { r = -ENOMEM; drm_err(&adev->ddev, @@ -58,7 +58,7 @@ static int isp_v4_1_0_hw_init(struct amdgpu_isp *isp) goto failure; } - num_res = MAX_ISP410_MEM_RES + MAX_ISP410_SENSOR_RES + MAX_ISP410_INT_SRC; + num_res = MAX_ISP410_MEM_RES + MAX_ISP410_INT_SRC; isp->isp_res = kcalloc(num_res, sizeof(struct resource), GFP_KERNEL); if (!isp->isp_res) { @@ -91,14 +91,7 @@ static int isp_v4_1_0_hw_init(struct amdgpu_isp *isp) isp->isp_res[1].start = isp_base + ISP410_PHY0_OFFSET; isp->isp_res[1].end = isp_base + ISP410_PHY0_OFFSET + ISP410_PHY0_SIZE; - isp->isp_res[2].name = "isp_gpio_sensor0_reg"; - isp->isp_res[2].flags = IORESOURCE_MEM; - isp->isp_res[2].start = isp_base + ISP410_GPIO_SENSOR0_OFFSET; - isp->isp_res[2].end = isp_base + ISP410_GPIO_SENSOR0_OFFSET + - ISP410_GPIO_SENSOR0_SIZE; - - for (idx = MAX_ISP410_MEM_RES + MAX_ISP410_SENSOR_RES, int_idx = 0; - idx < num_res; idx++, int_idx++) { + for (idx = MAX_ISP410_MEM_RES, int_idx = 0; idx < num_res; idx++, int_idx++) { isp->isp_res[idx].name = "isp_4_1_0_irq"; isp->isp_res[idx].flags = IORESOURCE_IRQ; isp->isp_res[idx].start = @@ -113,8 +106,8 @@ static int isp_v4_1_0_hw_init(struct amdgpu_isp *isp) isp->isp_cell[0].platform_data = isp->isp_pdata; isp->isp_cell[0].pdata_size = sizeof(struct isp_platform_data); - isp->isp_i2c_res = kcalloc(1, sizeof(struct resource), - GFP_KERNEL); + /* initialize isp i2c platform data */ + isp->isp_i2c_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL); if (!isp->isp_i2c_res) { r = -ENOMEM; drm_err(&adev->ddev, @@ -133,7 +126,28 @@ static int isp_v4_1_0_hw_init(struct amdgpu_isp *isp) isp->isp_cell[1].platform_data = isp->isp_pdata; isp->isp_cell[1].pdata_size = sizeof(struct isp_platform_data); - r = mfd_add_hotplug_devices(isp->parent, isp->isp_cell, 2); + /* initialize isp gpiochip platform data */ + isp->isp_gpio_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL); + if (!isp->isp_gpio_res) { + r = -ENOMEM; + drm_err(&adev->ddev, + "%s: isp gpio res alloc failed\n", __func__); + goto failure; + } + + isp->isp_gpio_res[0].name = "isp_gpio_reg"; + isp->isp_gpio_res[0].flags = IORESOURCE_MEM; + isp->isp_gpio_res[0].start = isp_base + ISP410_GPIO_SENSOR_OFFSET; + isp->isp_gpio_res[0].end = isp_base + ISP410_GPIO_SENSOR_OFFSET + + ISP410_GPIO_SENSOR_SIZE; + + isp->isp_cell[2].name = "amdisp-pinctrl"; + isp->isp_cell[2].num_resources = 1; + isp->isp_cell[2].resources = &isp->isp_gpio_res[0]; + isp->isp_cell[2].platform_data = isp->isp_pdata; + isp->isp_cell[2].pdata_size = sizeof(struct isp_platform_data); + + r = mfd_add_hotplug_devices(isp->parent, isp->isp_cell, 3); if (r) { drm_err(&adev->ddev, "%s: add mfd hotplug device failed\n", __func__); @@ -148,6 +162,7 @@ failure: kfree(isp->isp_res); kfree(isp->isp_cell); kfree(isp->isp_i2c_res); + kfree(isp->isp_gpio_res); return r; } @@ -160,6 +175,7 @@ static int isp_v4_1_0_hw_fini(struct amdgpu_isp *isp) kfree(isp->isp_cell); kfree(isp->isp_pdata); kfree(isp->isp_i2c_res); + kfree(isp->isp_gpio_res); return 0; } |