mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 07:36:46 +07:00
dfee5614e4
Also add single crtc for RN50 chips. changes in v2: fix vblank init to respect single crtc flag fix r100 mode bandwidth to respect single crtc flag Signed-off-by: Dave Airlie <airlied@redhat.com>
108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/*
|
|
* Copyright 2008 Advanced Micro Devices, Inc.
|
|
* Copyright 2008 Red Hat Inc.
|
|
* Copyright 2009 Jerome Glisse.
|
|
*
|
|
* 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 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
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Dave Airlie
|
|
* Alex Deucher
|
|
* Jerome Glisse
|
|
*/
|
|
#include "drmP.h"
|
|
#include "radeon_drm.h"
|
|
#include "radeon_reg.h"
|
|
#include "radeon.h"
|
|
#include "atom.h"
|
|
|
|
irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS)
|
|
{
|
|
struct drm_device *dev = (struct drm_device *) arg;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
|
|
return radeon_irq_process(rdev);
|
|
}
|
|
|
|
void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
|
|
{
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
unsigned i;
|
|
|
|
/* Disable *all* interrupts */
|
|
rdev->irq.sw_int = false;
|
|
for (i = 0; i < 2; i++) {
|
|
rdev->irq.crtc_vblank_int[i] = false;
|
|
}
|
|
radeon_irq_set(rdev);
|
|
/* Clear bits */
|
|
radeon_irq_process(rdev);
|
|
}
|
|
|
|
int radeon_driver_irq_postinstall_kms(struct drm_device *dev)
|
|
{
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
|
|
dev->max_vblank_count = 0x001fffff;
|
|
rdev->irq.sw_int = true;
|
|
radeon_irq_set(rdev);
|
|
return 0;
|
|
}
|
|
|
|
void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
|
|
{
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
unsigned i;
|
|
|
|
if (rdev == NULL) {
|
|
return;
|
|
}
|
|
/* Disable *all* interrupts */
|
|
rdev->irq.sw_int = false;
|
|
for (i = 0; i < 2; i++) {
|
|
rdev->irq.crtc_vblank_int[i] = false;
|
|
}
|
|
radeon_irq_set(rdev);
|
|
}
|
|
|
|
int radeon_irq_kms_init(struct radeon_device *rdev)
|
|
{
|
|
int r = 0;
|
|
int num_crtc = 2;
|
|
|
|
if (rdev->flags & RADEON_SINGLE_CRTC)
|
|
num_crtc = 1;
|
|
|
|
r = drm_vblank_init(rdev->ddev, num_crtc);
|
|
if (r) {
|
|
return r;
|
|
}
|
|
drm_irq_install(rdev->ddev);
|
|
rdev->irq.installed = true;
|
|
DRM_INFO("radeon: irq initialized.\n");
|
|
return 0;
|
|
}
|
|
|
|
void radeon_irq_kms_fini(struct radeon_device *rdev)
|
|
{
|
|
if (rdev->irq.installed) {
|
|
rdev->irq.installed = false;
|
|
drm_irq_uninstall(rdev->ddev);
|
|
}
|
|
}
|