diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 105 |
1 files changed, 89 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 1949d8aedf49..f5543758667f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -31,6 +31,7 @@ #include <linux/debugfs.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_atomic_helper.h> #include <drm/amdgpu_drm.h> #include <linux/vgaarb.h> #include <linux/vga_switcheroo.h> @@ -1982,6 +1983,52 @@ static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) } } +bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) +{ + switch (asic_type) { +#if defined(CONFIG_DRM_AMD_DC) + case CHIP_BONAIRE: + case CHIP_HAWAII: + case CHIP_KAVERI: + case CHIP_CARRIZO: + case CHIP_STONEY: + case CHIP_POLARIS11: + case CHIP_POLARIS10: + case CHIP_POLARIS12: + case CHIP_TONGA: + case CHIP_FIJI: +#if defined(CONFIG_DRM_AMD_DC_PRE_VEGA) + return amdgpu_dc != 0; +#endif + case CHIP_KABINI: + case CHIP_MULLINS: + return amdgpu_dc > 0; + case CHIP_VEGA10: +#if defined(CONFIG_DRM_AMD_DC_DCN1_0) + case CHIP_RAVEN: +#endif + return amdgpu_dc != 0; +#endif + default: + return false; + } +} + +/** + * amdgpu_device_has_dc_support - check if dc is supported + * + * @adev: amdgpu_device_pointer + * + * Returns true for supported, false for not supported + */ +bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) +{ + if (amdgpu_sriov_vf(adev)) + return false; + + return amdgpu_device_asic_has_dc_support(adev->asic_type); +} + /** * amdgpu_device_init - initialize the driver * @@ -2035,7 +2082,6 @@ int amdgpu_device_init(struct amdgpu_device *adev, adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; - DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); @@ -2178,7 +2224,8 @@ int amdgpu_device_init(struct amdgpu_device *adev, goto failed; } /* init i2c buses */ - amdgpu_atombios_i2c_init(adev); + if (!amdgpu_device_has_dc_support(adev)) + amdgpu_atombios_i2c_init(adev); } /* Fence driver */ @@ -2310,7 +2357,8 @@ void amdgpu_device_fini(struct amdgpu_device *adev) adev->accel_working = false; cancel_delayed_work_sync(&adev->late_init_work); /* free i2c buses */ - amdgpu_i2c_fini(adev); + if (!amdgpu_device_has_dc_support(adev)) + amdgpu_i2c_fini(adev); amdgpu_atombios_fini(adev); kfree(adev->bios); adev->bios = NULL; @@ -2361,12 +2409,14 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) drm_kms_helper_poll_disable(dev); - /* turn off display hw */ - drm_modeset_lock_all(dev); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + if (!amdgpu_device_has_dc_support(adev)) { + /* turn off display hw */ + drm_modeset_lock_all(dev); + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + } + drm_modeset_unlock_all(dev); } - drm_modeset_unlock_all(dev); amdgpu_amdkfd_suspend(adev); @@ -2509,13 +2559,25 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) /* blat the mode back in */ if (fbcon) { - drm_helper_resume_force_mode(dev); - /* turn on display hw */ - drm_modeset_lock_all(dev); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); + if (!amdgpu_device_has_dc_support(adev)) { + /* pre DCE11 */ + drm_helper_resume_force_mode(dev); + + /* turn on display hw */ + drm_modeset_lock_all(dev); + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); + } + drm_modeset_unlock_all(dev); + } else { + /* + * There is no equivalent atomic helper to turn on + * display, so we defined our own function for this, + * once suspend resume is supported by the atomic + * framework this will be reworked + */ + amdgpu_dm_display_resume(adev); } - drm_modeset_unlock_all(dev); } drm_kms_helper_poll_enable(dev); @@ -2532,7 +2594,10 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) #ifdef CONFIG_PM dev->dev->power.disable_depth++; #endif - drm_helper_hpd_irq_event(dev); + if (!amdgpu_device_has_dc_support(adev)) + drm_helper_hpd_irq_event(dev); + else + drm_kms_helper_hotplug_event(dev); #ifdef CONFIG_PM dev->dev->power.disable_depth--; #endif @@ -2829,6 +2894,7 @@ give_up_reset: */ int amdgpu_gpu_reset(struct amdgpu_device *adev) { + struct drm_atomic_state *state = NULL; int i, r; int resched; bool need_full_reset, vram_lost = false; @@ -2842,6 +2908,9 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev) /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); + /* store modesetting */ + if (amdgpu_device_has_dc_support(adev)) + state = drm_atomic_helper_suspend(adev->ddev); /* block scheduler */ for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { @@ -2959,7 +3028,11 @@ out: } } - drm_helper_resume_force_mode(adev->ddev); + if (amdgpu_device_has_dc_support(adev)) { + r = drm_atomic_helper_resume(adev->ddev, state); + amdgpu_dm_display_resume(adev); + } else + drm_helper_resume_force_mode(adev->ddev); ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); if (r) { |