diff options
| author | Dave Airlie <airlied@redhat.com> | 2019-02-11 14:04:05 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-02-11 14:04:20 +1000 |
| commit | f4bc54b532a62d8bee421ca06adb6d1b3e7ffaa9 (patch) | |
| tree | 3b835f9bed6bd236fa1a6d5d0add836f25ca8262 /drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | |
| parent | 5ea3998d56346975c2701df18fb5b6e3ab5c8d9e (diff) | |
| parent | 0461221316ec21e0a535a35fba3feb6ba75706e6 (diff) | |
Merge branch 'drm-next-5.1' of git://people.freedesktop.org/~agd5f/linux into drm-next
Updates for 5.1:
- GDS fixes
- Add AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES interface
- GPUVM fixes
- PCIE DPM switching fixes for vega20
- Vega10 uclk DPM regression fix
- DC Freesync fixes
- DC ABM fixes
- Various DC cleanups
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190208210214.27666-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index dada04296025..3c63a3c04dbb 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -192,6 +192,34 @@ static void set_pin_free( service->busyness[id][en] = false; } +enum gpio_result dal_gpio_service_lock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en) +{ + if (!service->busyness[id]) { + ASSERT_CRITICAL(false); + return GPIO_RESULT_OPEN_FAILED; + } + + set_pin_busy(service, id, en); + return GPIO_RESULT_OK; +} + +enum gpio_result dal_gpio_service_unlock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en) +{ + if (!service->busyness[id]) { + ASSERT_CRITICAL(false); + return GPIO_RESULT_OPEN_FAILED; + } + + set_pin_free(service, id, en); + return GPIO_RESULT_OK; +} + enum gpio_result dal_gpio_service_open( struct gpio_service *service, enum gpio_id id, |