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drm/irq: Unexport drm_vblank_count

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No one outside of drm_irq.c should ever need this. The correct way to
implement get_vblank_count for hw lacking a vblank counter is
drm_vblank_no_hw_counter. Fix this up in mtk, which is the only
offender left over.

Cc: CK Hu <ck.hu@mediatek.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114090255.31595-4-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2016-11-14 10:02:53 +01:00
parent 07600c5363
commit d6b0f62637
2 changed files with 11 additions and 28 deletions
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37
drivers/gpu/drm/drm_irq.c
View File

@ -234,6 +234,16 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe,
store_vblank(dev, pipe, diff, &t_vblank, cur_vblank);
}
static u32 drm_vblank_count(struct drm_device *dev, unsigned int pipe)
{
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
if (WARN_ON(pipe >= dev->num_crtcs))
return 0;
return vblank->count;
}
/**
* drm_accurate_vblank_count - retrieve the master vblank counter
* @crtc: which counter to retrieve
@ -887,31 +897,6 @@ drm_get_last_vbltimestamp(struct drm_device *dev, unsigned int pipe,
return false;
}
/**
* drm_vblank_count - retrieve "cooked" vblank counter value
* @dev: DRM device
* @pipe: index of CRTC for which to retrieve the counter
*
* Fetches the "cooked" vblank count value that represents the number of
* vblank events since the system was booted, including lost events due to
* modesetting activity.
*
* This is the legacy version of drm_crtc_vblank_count().
*
* Returns:
* The software vblank counter.
*/
u32 drm_vblank_count(struct drm_device *dev, unsigned int pipe)
{
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
if (WARN_ON(pipe >= dev->num_crtcs))
return 0;
return vblank->count;
}
EXPORT_SYMBOL(drm_vblank_count);
/**
* drm_crtc_vblank_count - retrieve "cooked" vblank counter value
* @crtc: which counter to retrieve
@ -920,8 +905,6 @@ EXPORT_SYMBOL(drm_vblank_count);
* vblank events since the system was booted, including lost events due to
* modesetting activity.
*
* This is the native KMS version of drm_vblank_count().
*
* Returns:
* The software vblank counter.
*/

2
drivers/gpu/drm/mediatek/mtk_drm_drv.c
View File

@ -256,7 +256,7 @@ static struct drm_driver mtk_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME |
DRIVER_ATOMIC,
.get_vblank_counter = drm_vblank_count,
.get_vblank_counter = drm_vblank_no_hw_counter,
.enable_vblank = mtk_drm_crtc_enable_vblank,
.disable_vblank = mtk_drm_crtc_disable_vblank,