diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_acpi.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c index 10f98c7742d8..08f8ba4fd148 100644 --- a/drivers/gpu/drm/radeon/radeon_acpi.c +++ b/drivers/gpu/drm/radeon/radeon_acpi.c @@ -21,26 +21,31 @@ * */ -#include <linux/pci.h> #include <linux/acpi.h> -#include <linux/slab.h> +#include <linux/backlight.h> +#include <linux/pci.h> +#include <linux/pm_runtime.h> #include <linux/power_supply.h> -#include <acpi/acpi_drivers.h> +#include <linux/slab.h> + #include <acpi/acpi_bus.h> #include <acpi/video.h> -#include <drm/drmP.h> -#include <drm/drm_crtc_helper.h> +#include <drm/drm_probe_helper.h> + +#include "atom.h" #include "radeon.h" #include "radeon_acpi.h" -#include "atom.h" +#include "radeon_pm.h" -#include <linux/vga_switcheroo.h> +#if defined(CONFIG_VGA_SWITCHEROO) +bool radeon_atpx_dgpu_req_power_for_displays(void); +#else +static inline bool radeon_atpx_dgpu_req_power_for_displays(void) { return false; } +#endif #define ACPI_AC_CLASS "ac_adapter" -extern void radeon_pm_acpi_event_handler(struct radeon_device *rdev); - struct atif_verify_interface { u16 size; /* structure size in bytes (includes size field) */ u16 version; /* version */ @@ -349,7 +354,7 @@ out: * handles it. * Returns NOTIFY code */ -int radeon_atif_handler(struct radeon_device *rdev, +static int radeon_atif_handler(struct radeon_device *rdev, struct acpi_bus_event *event) { struct radeon_atif *atif = &rdev->atif; @@ -369,7 +374,7 @@ int radeon_atif_handler(struct radeon_device *rdev, return NOTIFY_DONE; /* Check pending SBIOS requests */ - handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); + handle = ACPI_HANDLE(&rdev->pdev->dev); count = radeon_atif_get_sbios_requests(handle, &req); if (count <= 0) @@ -386,7 +391,6 @@ int radeon_atif_handler(struct radeon_device *rdev, radeon_set_backlight_level(rdev, enc, req.backlight_level); -#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) if (rdev->is_atom_bios) { struct radeon_encoder_atom_dig *dig = enc->enc_priv; backlight_force_update(dig->bl_dev, @@ -396,7 +400,15 @@ int radeon_atif_handler(struct radeon_device *rdev, backlight_force_update(dig->bl_dev, BACKLIGHT_UPDATE_HOTKEY); } -#endif + } + } + if (req.pending & ATIF_DGPU_DISPLAY_EVENT) { + if ((rdev->flags & RADEON_IS_PX) && + radeon_atpx_dgpu_req_power_for_displays()) { + pm_runtime_get_sync(rdev_to_drm(rdev)->dev); + /* Just fire off a uevent and let userspace tell us what to do */ + drm_helper_hpd_irq_event(rdev_to_drm(rdev)); + pm_runtime_put_autosuspend(rdev_to_drm(rdev)->dev); } } /* TODO: check other events */ @@ -556,7 +568,7 @@ int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev) struct radeon_atcs *atcs = &rdev->atcs; /* Get the device handle */ - handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); + handle = ACPI_HANDLE(&rdev->pdev->dev); if (!handle) return -EINVAL; @@ -596,7 +608,7 @@ int radeon_acpi_pcie_performance_request(struct radeon_device *rdev, u32 retry = 3; /* Get the device handle */ - handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); + handle = ACPI_HANDLE(&rdev->pdev->dev); if (!handle) return -EINVAL; @@ -605,7 +617,7 @@ int radeon_acpi_pcie_performance_request(struct radeon_device *rdev, atcs_input.size = sizeof(struct atcs_pref_req_input); /* client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) */ - atcs_input.client_id = rdev->pdev->devfn | (rdev->pdev->bus->number << 8); + atcs_input.client_id = pci_dev_id(rdev->pdev); atcs_input.valid_flags_mask = ATCS_VALID_FLAGS_MASK; atcs_input.flags = ATCS_WAIT_FOR_COMPLETION; if (advertise) @@ -699,7 +711,7 @@ int radeon_acpi_init(struct radeon_device *rdev) int ret; /* Get the device handle */ - handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); + handle = ACPI_HANDLE(&rdev->pdev->dev); /* No need to proceed if we're sure that ATIF is not supported */ if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle) @@ -723,7 +735,7 @@ int radeon_acpi_init(struct radeon_device *rdev) struct radeon_encoder *target = NULL; /* Find the encoder controlling the brightness */ - list_for_each_entry(tmp, &rdev->ddev->mode_config.encoder_list, + list_for_each_entry(tmp, &rdev_to_drm(rdev)->mode_config.encoder_list, head) { struct radeon_encoder *enc = to_radeon_encoder(tmp); @@ -746,13 +758,6 @@ int radeon_acpi_init(struct radeon_device *rdev) } atif->encoder_for_bl = target; - if (!target) { - /* Brightness change notification is enabled, but we - * didn't find a backlight controller, this should - * never happen. - */ - DRM_ERROR("Cannot find a backlight controller\n"); - } } if (atif->functions.sbios_requests && !atif->functions.system_params) { |