diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atombios_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/atombios_encoders.c | 49 |
1 files changed, 13 insertions, 36 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index a92d86e12718..6be9ac2b9c5b 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -26,6 +26,8 @@ #include <linux/pci.h> +#include <acpi/video.h> + #include <drm/drm_crtc_helper.h> #include <drm/amdgpu_drm.h> #include "amdgpu.h" @@ -118,8 +120,6 @@ amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encode } } -#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) - static u8 amdgpu_atombios_encoder_backlight_level(struct backlight_device *bd) { u8 level; @@ -184,7 +184,12 @@ void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encode return; if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU)) - return; + goto register_acpi_backlight; + + if (!acpi_video_backlight_use_native()) { + drm_info(dev, "Skipping amdgpu atom DIG backlight registration\n"); + goto register_acpi_backlight; + } pdata = kmalloc(sizeof(struct amdgpu_backlight_privdata), GFP_KERNEL); if (!pdata) { @@ -220,6 +225,11 @@ void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encode error: kfree(pdata); return; + +register_acpi_backlight: + /* Try registering an ACPI video backlight device instead. */ + acpi_video_register_backlight(); + return; } void @@ -251,18 +261,6 @@ amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *amdgpu_encoder) } } -#else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */ - -void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *encoder) -{ -} - -void amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *encoder) -{ -} - -#endif - bool amdgpu_atombios_encoder_is_digital(struct drm_encoder *encoder) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); @@ -765,7 +763,6 @@ amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int a int dp_clock = 0; int dp_lane_count = 0; int connector_object_id = 0; - int igp_lane_info = 0; int dig_encoder = dig->dig_encoder; int hpd_id = AMDGPU_HPD_NONE; @@ -848,26 +845,6 @@ amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int a else args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER; - if ((adev->flags & AMD_IS_APU) && - (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY)) { - if (is_dp || - !amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock)) { - if (igp_lane_info & 0x1) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_3; - else if (igp_lane_info & 0x2) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_4_7; - else if (igp_lane_info & 0x4) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_11; - else if (igp_lane_info & 0x8) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_12_15; - } else { - if (igp_lane_info & 0x3) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_7; - else if (igp_lane_info & 0xc) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_15; - } - } - if (dig->linkb) args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKB; else |