diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_drv.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index a459745e96f7..61e674baf3a6 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -7,6 +7,22 @@ * published by the Free Software Foundation. */ +/** + * DOC: Broadcom VC4 Graphics Driver + * + * The Broadcom VideoCore 4 (present in the Raspberry Pi) contains a + * OpenGL ES 2.0-compatible 3D engine called V3D, and a highly + * configurable display output pipeline that supports HDMI, DSI, DPI, + * and Composite TV output. + * + * The 3D engine also has an interface for submitting arbitrary + * compute shader-style jobs using the same shader processor as is + * used for vertex and fragment shaders in GLES 2.0. However, given + * that the hardware isn't able to expose any standard interfaces like + * OpenGL compute shaders or OpenCL, it isn't supported by this + * driver. + */ + #include <linux/clk.h> #include <linux/component.h> #include <linux/device.h> @@ -137,9 +153,6 @@ static struct drm_driver vc4_drm_driver = { .irq_postinstall = vc4_irq_postinstall, .irq_uninstall = vc4_irq_uninstall, - .enable_vblank = vc4_enable_vblank, - .disable_vblank = vc4_disable_vblank, - .get_vblank_counter = drm_vblank_no_hw_counter, .get_scanout_position = vc4_crtc_get_scanoutpos, .get_vblank_timestamp = vc4_crtc_get_vblank_timestamp, @@ -336,26 +349,20 @@ static struct platform_driver vc4_platform_driver = { static int __init vc4_drm_register(void) { - int i, ret; + int ret; + + ret = platform_register_drivers(component_drivers, + ARRAY_SIZE(component_drivers)); + if (ret) + return ret; - for (i = 0; i < ARRAY_SIZE(component_drivers); i++) { - ret = platform_driver_register(component_drivers[i]); - if (ret) { - while (--i >= 0) - platform_driver_unregister(component_drivers[i]); - return ret; - } - } return platform_driver_register(&vc4_platform_driver); } static void __exit vc4_drm_unregister(void) { - int i; - - for (i = ARRAY_SIZE(component_drivers) - 1; i >= 0; i--) - platform_driver_unregister(component_drivers[i]); - + platform_unregister_drivers(component_drivers, + ARRAY_SIZE(component_drivers)); platform_driver_unregister(&vc4_platform_driver); } |