Release 4.7 drivers/gpu/drm/r128/r128_irq.c
/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*- */
/*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
* Eric Anholt <anholt@FreeBSD.org>
*/
#include <drm/drmP.h>
#include <drm/r128_drm.h>
#include "r128_drv.h"
u32 r128_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
{
const drm_r128_private_t *dev_priv = dev->dev_private;
if (pipe != 0)
return 0;
return atomic_read(&dev_priv->vbl_received);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jesse barnes | jesse barnes | 38 | 92.68% | 1 | 50.00% |
| thierry reding | thierry reding | 3 | 7.32% | 1 | 50.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
irqreturn_t r128_driver_irq_handler(int irq, void *arg)
{
struct drm_device *dev = (struct drm_device *) arg;
drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
int status;
status = R128_READ(R128_GEN_INT_STATUS);
/* VBLANK interrupt */
if (status & R128_CRTC_VBLANK_INT) {
R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
atomic_inc(&dev_priv->vbl_received);
drm_handle_vblank(dev, 0);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| linus torvalds | linus torvalds | 58 | 69.88% | 2 | 25.00% |
| dave airlie | dave airlie | 8 | 9.64% | 3 | 37.50% |
| andrew morton | andrew morton | 7 | 8.43% | 1 | 12.50% |
| daniel vetter | daniel vetter | 6 | 7.23% | 1 | 12.50% |
| jesse barnes | jesse barnes | 4 | 4.82% | 1 | 12.50% |
| Total | 83 | 100.00% | 8 | 100.00% |
int r128_enable_vblank(struct drm_device *dev, unsigned int pipe)
{
drm_r128_private_t *dev_priv = dev->dev_private;
if (pipe != 0) {
DRM_ERROR("%s: bad crtc %u\n", __func__, pipe);
return -EINVAL;
}
R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jesse barnes | jesse barnes | 26 | 49.06% | 1 | 16.67% |
| linus torvalds | linus torvalds | 16 | 30.19% | 2 | 33.33% |
| dave airlie | dave airlie | 6 | 11.32% | 2 | 33.33% |
| thierry reding | thierry reding | 5 | 9.43% | 1 | 16.67% |
| Total | 53 | 100.00% | 6 | 100.00% |
void r128_disable_vblank(struct drm_device *dev, unsigned int pipe)
{
if (pipe != 0)
DRM_ERROR("%s: bad crtc %u\n", __func__, pipe);
/*
* FIXME: implement proper interrupt disable by using the vblank
* counter register (if available)
*
* R128_WRITE(R128_GEN_INT_CNTL,
* R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN);
*/
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jesse barnes | jesse barnes | 25 | 83.33% | 1 | 50.00% |
| thierry reding | thierry reding | 5 | 16.67% | 1 | 50.00% |
| Total | 30 | 100.00% | 2 | 100.00% |
void r128_driver_irq_preinstall(struct drm_device *dev)
{
drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
/* Disable *all* interrupts */
R128_WRITE(R128_GEN_INT_CNTL, 0);
/* Clear vblank bit if it's already high */
R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| linus torvalds | linus torvalds | 36 | 94.74% | 1 | 50.00% |
| dave airlie | dave airlie | 2 | 5.26% | 1 | 50.00% |
| Total | 38 | 100.00% | 2 | 100.00% |
int r128_driver_irq_postinstall(struct drm_device *dev)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| linus torvalds | linus torvalds | 7 | 53.85% | 1 | 25.00% |
| jesse barnes | jesse barnes | 3 | 23.08% | 1 | 25.00% |
| dave airlie | dave airlie | 2 | 15.38% | 1 | 25.00% |
| keith packard | keith packard | 1 | 7.69% | 1 | 25.00% |
| Total | 13 | 100.00% | 4 | 100.00% |
void r128_driver_irq_uninstall(struct drm_device *dev)
{
drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
if (!dev_priv)
return;
/* Disable *all* interrupts */
R128_WRITE(R128_GEN_INT_CNTL, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| linus torvalds | linus torvalds | 34 | 94.44% | 2 | 66.67% |
| dave airlie | dave airlie | 2 | 5.56% | 1 | 33.33% |
| Total | 36 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| linus torvalds | linus torvalds | 158 | 51.80% | 3 | 21.43% |
| jesse barnes | jesse barnes | 96 | 31.48% | 1 | 7.14% |
| dave airlie | dave airlie | 22 | 7.21% | 5 | 35.71% |
| thierry reding | thierry reding | 13 | 4.26% | 1 | 7.14% |
| andrew morton | andrew morton | 7 | 2.30% | 1 | 7.14% |
| daniel vetter | daniel vetter | 6 | 1.97% | 1 | 7.14% |
| david howells | david howells | 2 | 0.66% | 1 | 7.14% |
| keith packard | keith packard | 1 | 0.33% | 1 | 7.14% |
| Total | 305 | 100.00% | 14 | 100.00% |
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