[Intel-gfx] drm/i915: Fix module initialisation.

[Daniel Vetter]

On Mon, Aug 17, 2015 at 12:00:38PM +0200, Maarten Lankhorst wrote:
> Set DRIVER_MODESET and DRIVER_ATOMIC by default. The driver is fully atomic.
> Remove the legacy suspend/resume, to fix a warning introduced by:
> 
> "drm: WARN_ON if a modeset driver uses legacy suspend/resume helpers"
> 
> and removing the .get_vblank_timestamp reset to NULL. It's a noop without UMS.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> ---
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 1d887459e37f..411ba8ccecca 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1646,7 +1646,7 @@ static struct drm_driver driver = {
>  	 */
>  	.driver_features =
>  	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME |
> -	    DRIVER_RENDER,
> +	    DRIVER_RENDER | DRIVER_MODESET | DRIVER_ATOMIC,

Nah, DRIVER_ATOMIC isn't quite there yet ...

>  	.load = i915_driver_load,
>  	.unload = i915_driver_unload,
>  	.open = i915_driver_open,
> @@ -1655,10 +1655,6 @@ static struct drm_driver driver = {
>  	.postclose = i915_driver_postclose,
>  	.set_busid = drm_pci_set_busid,
>  
> -	/* Used in place of i915_pm_ops for non-DRIVER_MODESET */
> -	.suspend = i915_suspend_legacy,
> -	.resume = i915_resume_legacy,

Can't we nuke the functions themselves now too?
-Daniel

> -
>  #if defined(CONFIG_DEBUG_FS)
>  	.debugfs_init = i915_debugfs_init,
>  	.debugfs_cleanup = i915_debugfs_cleanup,
> @@ -1701,7 +1697,6 @@ static int __init i915_init(void)
>  	 * either the i915.modeset prarameter or by the
>  	 * vga_text_mode_force boot option.
>  	 */
> -	driver.driver_features |= DRIVER_MODESET;
>  
>  	if (i915.modeset == 0)
>  		driver.driver_features &= ~DRIVER_MODESET;
> @@ -1712,20 +1707,11 @@ static int __init i915_init(void)
>  #endif
>  
>  	if (!(driver.driver_features & DRIVER_MODESET)) {
> -		driver.get_vblank_timestamp = NULL;
>  		/* Silently fail loading to not upset userspace. */
>  		DRM_DEBUG_DRIVER("KMS and UMS disabled.\n");
>  		return 0;
>  	}
>  
> -	/*
> -	 * FIXME: Note that we're lying to the DRM core here so that we can get access
> -	 * to the atomic ioctl and the atomic properties.  Only plane operations on
> -	 * a single CRTC will actually work.
> -	 */
> -	if (driver.driver_features & DRIVER_MODESET)
> -		driver.driver_features |= DRIVER_ATOMIC;
> -
>  	return drm_pci_init(&driver, &i915_pci_driver);
>  }
>  
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch