875 lines
24 KiB
C
875 lines
24 KiB
C
/*
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* Copyright 2008 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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* Jerome Glisse
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*/
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#include <linux/pci.h>
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#include <linux/pm_runtime.h>
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#include <linux/slab.h>
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#include <linux/uaccess.h>
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#include <linux/vga_switcheroo.h>
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#include <drm/drm_file.h>
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#include <drm/drm_ioctl.h>
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#include <drm/radeon_drm.h>
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#include "radeon.h"
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#include "radeon_asic.h"
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#include "radeon_drv.h"
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#include "radeon_kms.h"
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#if defined(CONFIG_VGA_SWITCHEROO)
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bool radeon_has_atpx(void);
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#else
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static inline bool radeon_has_atpx(void) { return false; }
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#endif
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/**
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* radeon_driver_unload_kms - Main unload function for KMS.
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*
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* @dev: drm dev pointer
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*
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* This is the main unload function for KMS (all asics).
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* It calls radeon_modeset_fini() to tear down the
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* displays, and radeon_device_fini() to tear down
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* the rest of the device (CP, writeback, etc.).
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* Returns 0 on success.
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*/
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void radeon_driver_unload_kms(struct drm_device *dev)
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{
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struct radeon_device *rdev = dev->dev_private;
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if (rdev == NULL)
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return;
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if (rdev->rmmio == NULL)
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goto done_free;
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if (radeon_is_px(dev)) {
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pm_runtime_get_sync(dev->dev);
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pm_runtime_forbid(dev->dev);
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}
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radeon_acpi_fini(rdev);
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radeon_modeset_fini(rdev);
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radeon_device_fini(rdev);
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if (rdev->agp)
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arch_phys_wc_del(rdev->agp->agp_mtrr);
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kfree(rdev->agp);
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rdev->agp = NULL;
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done_free:
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kfree(rdev);
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dev->dev_private = NULL;
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}
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/**
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* radeon_driver_load_kms - Main load function for KMS.
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*
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* @dev: drm dev pointer
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* @flags: device flags
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*
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* This is the main load function for KMS (all asics).
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* It calls radeon_device_init() to set up the non-display
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* parts of the chip (asic init, CP, writeback, etc.), and
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* radeon_modeset_init() to set up the display parts
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* (crtcs, encoders, hotplug detect, etc.).
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* Returns 0 on success, error on failure.
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*/
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int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
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{
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struct pci_dev *pdev = to_pci_dev(dev->dev);
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struct radeon_device *rdev;
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int r, acpi_status;
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rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
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if (rdev == NULL) {
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return -ENOMEM;
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}
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dev->dev_private = (void *)rdev;
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#ifdef __alpha__
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rdev->hose = pdev->sysdata;
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#endif
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if (pci_find_capability(pdev, PCI_CAP_ID_AGP))
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rdev->agp = radeon_agp_head_init(dev);
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if (rdev->agp) {
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rdev->agp->agp_mtrr = arch_phys_wc_add(
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rdev->agp->agp_info.aper_base,
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rdev->agp->agp_info.aper_size *
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1024 * 1024);
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}
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/* update BUS flag */
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if (pci_find_capability(pdev, PCI_CAP_ID_AGP)) {
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flags |= RADEON_IS_AGP;
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} else if (pci_is_pcie(pdev)) {
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flags |= RADEON_IS_PCIE;
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} else {
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flags |= RADEON_IS_PCI;
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}
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if ((radeon_runtime_pm != 0) &&
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radeon_has_atpx() &&
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((flags & RADEON_IS_IGP) == 0) &&
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!pci_is_thunderbolt_attached(pdev))
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flags |= RADEON_IS_PX;
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/* radeon_device_init should report only fatal error
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* like memory allocation failure or iomapping failure,
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* or memory manager initialization failure, it must
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* properly initialize the GPU MC controller and permit
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* VRAM allocation
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*/
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r = radeon_device_init(rdev, dev, pdev, flags);
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if (r) {
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dev_err(dev->dev, "Fatal error during GPU init\n");
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goto out;
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}
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/* Again modeset_init should fail only on fatal error
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* otherwise it should provide enough functionalities
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* for shadowfb to run
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*/
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r = radeon_modeset_init(rdev);
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if (r)
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dev_err(dev->dev, "Fatal error during modeset init\n");
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/* Call ACPI methods: require modeset init
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* but failure is not fatal
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*/
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if (!r) {
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acpi_status = radeon_acpi_init(rdev);
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if (acpi_status)
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dev_dbg(dev->dev, "Error during ACPI methods call\n");
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}
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if (radeon_is_px(dev)) {
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dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
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pm_runtime_use_autosuspend(dev->dev);
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pm_runtime_set_autosuspend_delay(dev->dev, 5000);
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pm_runtime_set_active(dev->dev);
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pm_runtime_allow(dev->dev);
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pm_runtime_mark_last_busy(dev->dev);
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pm_runtime_put_autosuspend(dev->dev);
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}
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out:
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if (r)
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radeon_driver_unload_kms(dev);
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return r;
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}
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/**
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* radeon_set_filp_rights - Set filp right.
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*
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* @dev: drm dev pointer
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* @owner: drm file
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* @applier: drm file
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* @value: value
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*
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* Sets the filp rights for the device (all asics).
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*/
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static void radeon_set_filp_rights(struct drm_device *dev,
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struct drm_file **owner,
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struct drm_file *applier,
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uint32_t *value)
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{
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struct radeon_device *rdev = dev->dev_private;
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mutex_lock(&rdev->gem.mutex);
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if (*value == 1) {
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/* wants rights */
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if (!*owner)
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*owner = applier;
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} else if (*value == 0) {
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/* revokes rights */
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if (*owner == applier)
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*owner = NULL;
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}
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*value = *owner == applier ? 1 : 0;
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mutex_unlock(&rdev->gem.mutex);
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}
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/*
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* Userspace get information ioctl
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*/
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/**
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* radeon_info_ioctl - answer a device specific request.
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*
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* @dev: drm device pointer
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* @data: request object
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* @filp: drm filp
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*
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* This function is used to pass device specific parameters to the userspace
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* drivers. Examples include: pci device id, pipeline parms, tiling params,
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* etc. (all asics).
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* Returns 0 on success, -EINVAL on failure.
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*/
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int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
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{
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struct radeon_device *rdev = dev->dev_private;
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struct drm_radeon_info *info = data;
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struct radeon_mode_info *minfo = &rdev->mode_info;
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uint32_t *value, value_tmp, *value_ptr, value_size;
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struct ttm_resource_manager *man;
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uint64_t value64;
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struct drm_crtc *crtc;
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int i, found;
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value_ptr = (uint32_t *)((unsigned long)info->value);
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value = &value_tmp;
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value_size = sizeof(uint32_t);
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switch (info->request) {
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case RADEON_INFO_DEVICE_ID:
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*value = to_pci_dev(dev->dev)->device;
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break;
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case RADEON_INFO_NUM_GB_PIPES:
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*value = rdev->num_gb_pipes;
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break;
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case RADEON_INFO_NUM_Z_PIPES:
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*value = rdev->num_z_pipes;
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break;
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case RADEON_INFO_ACCEL_WORKING:
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/* xf86-video-ati 6.13.0 relies on this being false for evergreen */
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if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK))
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*value = false;
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else
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*value = rdev->accel_working;
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break;
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case RADEON_INFO_CRTC_FROM_ID:
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if (copy_from_user(value, value_ptr, sizeof(uint32_t))) {
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DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__);
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return -EFAULT;
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}
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for (i = 0, found = 0; i < rdev->num_crtc; i++) {
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crtc = (struct drm_crtc *)minfo->crtcs[i];
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if (crtc && crtc->base.id == *value) {
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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*value = radeon_crtc->crtc_id;
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found = 1;
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break;
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}
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}
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if (!found) {
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DRM_DEBUG_KMS("unknown crtc id %d\n", *value);
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return -EINVAL;
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}
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break;
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case RADEON_INFO_ACCEL_WORKING2:
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if (rdev->family == CHIP_HAWAII) {
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if (rdev->accel_working) {
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if (rdev->new_fw)
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*value = 3;
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else
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*value = 2;
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} else {
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*value = 0;
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}
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} else {
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*value = rdev->accel_working;
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}
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break;
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case RADEON_INFO_TILING_CONFIG:
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if (rdev->family >= CHIP_BONAIRE)
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*value = rdev->config.cik.tile_config;
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else if (rdev->family >= CHIP_TAHITI)
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*value = rdev->config.si.tile_config;
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else if (rdev->family >= CHIP_CAYMAN)
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*value = rdev->config.cayman.tile_config;
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else if (rdev->family >= CHIP_CEDAR)
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*value = rdev->config.evergreen.tile_config;
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else if (rdev->family >= CHIP_RV770)
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*value = rdev->config.rv770.tile_config;
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else if (rdev->family >= CHIP_R600)
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*value = rdev->config.r600.tile_config;
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else {
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DRM_DEBUG_KMS("tiling config is r6xx+ only!\n");
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return -EINVAL;
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}
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break;
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case RADEON_INFO_WANT_HYPERZ:
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/* The "value" here is both an input and output parameter.
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* If the input value is 1, filp requests hyper-z access.
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* If the input value is 0, filp revokes its hyper-z access.
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*
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* When returning, the value is 1 if filp owns hyper-z access,
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* 0 otherwise. */
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if (copy_from_user(value, value_ptr, sizeof(uint32_t))) {
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DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__);
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return -EFAULT;
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}
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if (*value >= 2) {
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DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", *value);
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return -EINVAL;
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}
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radeon_set_filp_rights(dev, &rdev->hyperz_filp, filp, value);
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break;
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case RADEON_INFO_WANT_CMASK:
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/* The same logic as Hyper-Z. */
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if (copy_from_user(value, value_ptr, sizeof(uint32_t))) {
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DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__);
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return -EFAULT;
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}
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if (*value >= 2) {
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DRM_DEBUG_KMS("WANT_CMASK: invalid value %d\n", *value);
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return -EINVAL;
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}
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radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, value);
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break;
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case RADEON_INFO_CLOCK_CRYSTAL_FREQ:
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/* return clock value in KHz */
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if (rdev->asic->get_xclk)
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*value = radeon_get_xclk(rdev) * 10;
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else
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*value = rdev->clock.spll.reference_freq * 10;
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break;
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case RADEON_INFO_NUM_BACKENDS:
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if (rdev->family >= CHIP_BONAIRE)
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*value = rdev->config.cik.max_backends_per_se *
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rdev->config.cik.max_shader_engines;
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else if (rdev->family >= CHIP_TAHITI)
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*value = rdev->config.si.max_backends_per_se *
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rdev->config.si.max_shader_engines;
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else if (rdev->family >= CHIP_CAYMAN)
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*value = rdev->config.cayman.max_backends_per_se *
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rdev->config.cayman.max_shader_engines;
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else if (rdev->family >= CHIP_CEDAR)
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*value = rdev->config.evergreen.max_backends;
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else if (rdev->family >= CHIP_RV770)
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*value = rdev->config.rv770.max_backends;
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else if (rdev->family >= CHIP_R600)
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*value = rdev->config.r600.max_backends;
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else {
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return -EINVAL;
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}
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break;
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case RADEON_INFO_NUM_TILE_PIPES:
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if (rdev->family >= CHIP_BONAIRE)
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*value = rdev->config.cik.max_tile_pipes;
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else if (rdev->family >= CHIP_TAHITI)
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*value = rdev->config.si.max_tile_pipes;
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else if (rdev->family >= CHIP_CAYMAN)
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*value = rdev->config.cayman.max_tile_pipes;
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else if (rdev->family >= CHIP_CEDAR)
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*value = rdev->config.evergreen.max_tile_pipes;
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else if (rdev->family >= CHIP_RV770)
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*value = rdev->config.rv770.max_tile_pipes;
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else if (rdev->family >= CHIP_R600)
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*value = rdev->config.r600.max_tile_pipes;
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else {
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return -EINVAL;
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}
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break;
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case RADEON_INFO_FUSION_GART_WORKING:
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*value = 1;
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break;
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case RADEON_INFO_BACKEND_MAP:
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if (rdev->family >= CHIP_BONAIRE)
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*value = rdev->config.cik.backend_map;
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else if (rdev->family >= CHIP_TAHITI)
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*value = rdev->config.si.backend_map;
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else if (rdev->family >= CHIP_CAYMAN)
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*value = rdev->config.cayman.backend_map;
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else if (rdev->family >= CHIP_CEDAR)
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*value = rdev->config.evergreen.backend_map;
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else if (rdev->family >= CHIP_RV770)
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*value = rdev->config.rv770.backend_map;
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else if (rdev->family >= CHIP_R600)
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*value = rdev->config.r600.backend_map;
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else {
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return -EINVAL;
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}
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break;
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case RADEON_INFO_VA_START:
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/* this is where we report if vm is supported or not */
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if (rdev->family < CHIP_CAYMAN)
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return -EINVAL;
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*value = RADEON_VA_RESERVED_SIZE;
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break;
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case RADEON_INFO_IB_VM_MAX_SIZE:
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/* this is where we report if vm is supported or not */
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if (rdev->family < CHIP_CAYMAN)
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return -EINVAL;
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*value = RADEON_IB_VM_MAX_SIZE;
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break;
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case RADEON_INFO_MAX_PIPES:
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if (rdev->family >= CHIP_BONAIRE)
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*value = rdev->config.cik.max_cu_per_sh;
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else if (rdev->family >= CHIP_TAHITI)
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*value = rdev->config.si.max_cu_per_sh;
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else if (rdev->family >= CHIP_CAYMAN)
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*value = rdev->config.cayman.max_pipes_per_simd;
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else if (rdev->family >= CHIP_CEDAR)
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*value = rdev->config.evergreen.max_pipes;
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else if (rdev->family >= CHIP_RV770)
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*value = rdev->config.rv770.max_pipes;
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else if (rdev->family >= CHIP_R600)
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*value = rdev->config.r600.max_pipes;
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else {
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return -EINVAL;
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}
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break;
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case RADEON_INFO_TIMESTAMP:
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if (rdev->family < CHIP_R600) {
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DRM_DEBUG_KMS("timestamp is r6xx+ only!\n");
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return -EINVAL;
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}
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value = (uint32_t*)&value64;
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value_size = sizeof(uint64_t);
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value64 = radeon_get_gpu_clock_counter(rdev);
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break;
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case RADEON_INFO_MAX_SE:
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if (rdev->family >= CHIP_BONAIRE)
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*value = rdev->config.cik.max_shader_engines;
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else if (rdev->family >= CHIP_TAHITI)
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*value = rdev->config.si.max_shader_engines;
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else if (rdev->family >= CHIP_CAYMAN)
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*value = rdev->config.cayman.max_shader_engines;
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else if (rdev->family >= CHIP_CEDAR)
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*value = rdev->config.evergreen.num_ses;
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else
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*value = 1;
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break;
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case RADEON_INFO_MAX_SH_PER_SE:
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if (rdev->family >= CHIP_BONAIRE)
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*value = rdev->config.cik.max_sh_per_se;
|
|
else if (rdev->family >= CHIP_TAHITI)
|
|
*value = rdev->config.si.max_sh_per_se;
|
|
else
|
|
return -EINVAL;
|
|
break;
|
|
case RADEON_INFO_FASTFB_WORKING:
|
|
*value = rdev->fastfb_working;
|
|
break;
|
|
case RADEON_INFO_RING_WORKING:
|
|
if (copy_from_user(value, value_ptr, sizeof(uint32_t))) {
|
|
DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__);
|
|
return -EFAULT;
|
|
}
|
|
switch (*value) {
|
|
case RADEON_CS_RING_GFX:
|
|
case RADEON_CS_RING_COMPUTE:
|
|
*value = rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready;
|
|
break;
|
|
case RADEON_CS_RING_DMA:
|
|
*value = rdev->ring[R600_RING_TYPE_DMA_INDEX].ready;
|
|
*value |= rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready;
|
|
break;
|
|
case RADEON_CS_RING_UVD:
|
|
*value = rdev->ring[R600_RING_TYPE_UVD_INDEX].ready;
|
|
break;
|
|
case RADEON_CS_RING_VCE:
|
|
*value = rdev->ring[TN_RING_TYPE_VCE1_INDEX].ready;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case RADEON_INFO_SI_TILE_MODE_ARRAY:
|
|
if (rdev->family >= CHIP_BONAIRE) {
|
|
value = rdev->config.cik.tile_mode_array;
|
|
value_size = sizeof(uint32_t)*32;
|
|
} else if (rdev->family >= CHIP_TAHITI) {
|
|
value = rdev->config.si.tile_mode_array;
|
|
value_size = sizeof(uint32_t)*32;
|
|
} else {
|
|
DRM_DEBUG_KMS("tile mode array is si+ only!\n");
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case RADEON_INFO_CIK_MACROTILE_MODE_ARRAY:
|
|
if (rdev->family >= CHIP_BONAIRE) {
|
|
value = rdev->config.cik.macrotile_mode_array;
|
|
value_size = sizeof(uint32_t)*16;
|
|
} else {
|
|
DRM_DEBUG_KMS("macrotile mode array is cik+ only!\n");
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case RADEON_INFO_SI_CP_DMA_COMPUTE:
|
|
*value = 1;
|
|
break;
|
|
case RADEON_INFO_SI_BACKEND_ENABLED_MASK:
|
|
if (rdev->family >= CHIP_BONAIRE) {
|
|
*value = rdev->config.cik.backend_enable_mask;
|
|
} else if (rdev->family >= CHIP_TAHITI) {
|
|
*value = rdev->config.si.backend_enable_mask;
|
|
} else {
|
|
DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n");
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case RADEON_INFO_MAX_SCLK:
|
|
if ((rdev->pm.pm_method == PM_METHOD_DPM) &&
|
|
rdev->pm.dpm_enabled)
|
|
*value = rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10;
|
|
else
|
|
*value = rdev->pm.default_sclk * 10;
|
|
break;
|
|
case RADEON_INFO_VCE_FW_VERSION:
|
|
*value = rdev->vce.fw_version;
|
|
break;
|
|
case RADEON_INFO_VCE_FB_VERSION:
|
|
*value = rdev->vce.fb_version;
|
|
break;
|
|
case RADEON_INFO_NUM_BYTES_MOVED:
|
|
value = (uint32_t*)&value64;
|
|
value_size = sizeof(uint64_t);
|
|
value64 = atomic64_read(&rdev->num_bytes_moved);
|
|
break;
|
|
case RADEON_INFO_VRAM_USAGE:
|
|
value = (uint32_t*)&value64;
|
|
value_size = sizeof(uint64_t);
|
|
man = ttm_manager_type(&rdev->mman.bdev, TTM_PL_VRAM);
|
|
value64 = ttm_resource_manager_usage(man);
|
|
break;
|
|
case RADEON_INFO_GTT_USAGE:
|
|
value = (uint32_t*)&value64;
|
|
value_size = sizeof(uint64_t);
|
|
man = ttm_manager_type(&rdev->mman.bdev, TTM_PL_TT);
|
|
value64 = ttm_resource_manager_usage(man);
|
|
break;
|
|
case RADEON_INFO_ACTIVE_CU_COUNT:
|
|
if (rdev->family >= CHIP_BONAIRE)
|
|
*value = rdev->config.cik.active_cus;
|
|
else if (rdev->family >= CHIP_TAHITI)
|
|
*value = rdev->config.si.active_cus;
|
|
else if (rdev->family >= CHIP_CAYMAN)
|
|
*value = rdev->config.cayman.active_simds;
|
|
else if (rdev->family >= CHIP_CEDAR)
|
|
*value = rdev->config.evergreen.active_simds;
|
|
else if (rdev->family >= CHIP_RV770)
|
|
*value = rdev->config.rv770.active_simds;
|
|
else if (rdev->family >= CHIP_R600)
|
|
*value = rdev->config.r600.active_simds;
|
|
else
|
|
*value = 1;
|
|
break;
|
|
case RADEON_INFO_CURRENT_GPU_TEMP:
|
|
/* get temperature in millidegrees C */
|
|
if (rdev->asic->pm.get_temperature)
|
|
*value = radeon_get_temperature(rdev);
|
|
else
|
|
*value = 0;
|
|
break;
|
|
case RADEON_INFO_CURRENT_GPU_SCLK:
|
|
/* get sclk in Mhz */
|
|
if (rdev->pm.dpm_enabled)
|
|
*value = radeon_dpm_get_current_sclk(rdev) / 100;
|
|
else
|
|
*value = rdev->pm.current_sclk / 100;
|
|
break;
|
|
case RADEON_INFO_CURRENT_GPU_MCLK:
|
|
/* get mclk in Mhz */
|
|
if (rdev->pm.dpm_enabled)
|
|
*value = radeon_dpm_get_current_mclk(rdev) / 100;
|
|
else
|
|
*value = rdev->pm.current_mclk / 100;
|
|
break;
|
|
case RADEON_INFO_READ_REG:
|
|
if (copy_from_user(value, value_ptr, sizeof(uint32_t))) {
|
|
DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__);
|
|
return -EFAULT;
|
|
}
|
|
if (radeon_get_allowed_info_register(rdev, *value, value))
|
|
return -EINVAL;
|
|
break;
|
|
case RADEON_INFO_VA_UNMAP_WORKING:
|
|
*value = true;
|
|
break;
|
|
case RADEON_INFO_GPU_RESET_COUNTER:
|
|
*value = atomic_read(&rdev->gpu_reset_counter);
|
|
break;
|
|
default:
|
|
DRM_DEBUG_KMS("Invalid request %d\n", info->request);
|
|
return -EINVAL;
|
|
}
|
|
if (copy_to_user(value_ptr, (char*)value, value_size)) {
|
|
DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__);
|
|
return -EFAULT;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* radeon_driver_open_kms - drm callback for open
|
|
*
|
|
* @dev: drm dev pointer
|
|
* @file_priv: drm file
|
|
*
|
|
* On device open, init vm on cayman+ (all asics).
|
|
* Returns 0 on success, error on failure.
|
|
*/
|
|
int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
|
|
{
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
struct radeon_fpriv *fpriv;
|
|
struct radeon_vm *vm;
|
|
int r;
|
|
|
|
file_priv->driver_priv = NULL;
|
|
|
|
r = pm_runtime_get_sync(dev->dev);
|
|
if (r < 0) {
|
|
pm_runtime_put_autosuspend(dev->dev);
|
|
return r;
|
|
}
|
|
|
|
/* new gpu have virtual address space support */
|
|
if (rdev->family >= CHIP_CAYMAN) {
|
|
|
|
fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
|
|
if (unlikely(!fpriv)) {
|
|
r = -ENOMEM;
|
|
goto err_suspend;
|
|
}
|
|
|
|
if (rdev->accel_working) {
|
|
vm = &fpriv->vm;
|
|
r = radeon_vm_init(rdev, vm);
|
|
if (r)
|
|
goto err_fpriv;
|
|
|
|
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
|
|
if (r)
|
|
goto err_vm_fini;
|
|
|
|
/* map the ib pool buffer read only into
|
|
* virtual address space */
|
|
vm->ib_bo_va = radeon_vm_bo_add(rdev, vm,
|
|
rdev->ring_tmp_bo.bo);
|
|
if (!vm->ib_bo_va) {
|
|
r = -ENOMEM;
|
|
goto err_vm_fini;
|
|
}
|
|
|
|
r = radeon_vm_bo_set_addr(rdev, vm->ib_bo_va,
|
|
RADEON_VA_IB_OFFSET,
|
|
RADEON_VM_PAGE_READABLE |
|
|
RADEON_VM_PAGE_SNOOPED);
|
|
if (r)
|
|
goto err_vm_fini;
|
|
}
|
|
file_priv->driver_priv = fpriv;
|
|
}
|
|
|
|
pm_runtime_mark_last_busy(dev->dev);
|
|
pm_runtime_put_autosuspend(dev->dev);
|
|
return 0;
|
|
|
|
err_vm_fini:
|
|
radeon_vm_fini(rdev, vm);
|
|
err_fpriv:
|
|
kfree(fpriv);
|
|
|
|
err_suspend:
|
|
pm_runtime_mark_last_busy(dev->dev);
|
|
pm_runtime_put_autosuspend(dev->dev);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* radeon_driver_postclose_kms - drm callback for post close
|
|
*
|
|
* @dev: drm dev pointer
|
|
* @file_priv: drm file
|
|
*
|
|
* On device close, tear down hyperz and cmask filps on r1xx-r5xx
|
|
* (all asics). And tear down vm on cayman+ (all asics).
|
|
*/
|
|
void radeon_driver_postclose_kms(struct drm_device *dev,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
|
|
pm_runtime_get_sync(dev->dev);
|
|
|
|
mutex_lock(&rdev->gem.mutex);
|
|
if (rdev->hyperz_filp == file_priv)
|
|
rdev->hyperz_filp = NULL;
|
|
if (rdev->cmask_filp == file_priv)
|
|
rdev->cmask_filp = NULL;
|
|
mutex_unlock(&rdev->gem.mutex);
|
|
|
|
radeon_uvd_free_handles(rdev, file_priv);
|
|
radeon_vce_free_handles(rdev, file_priv);
|
|
|
|
/* new gpu have virtual address space support */
|
|
if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
|
|
struct radeon_fpriv *fpriv = file_priv->driver_priv;
|
|
struct radeon_vm *vm = &fpriv->vm;
|
|
int r;
|
|
|
|
if (rdev->accel_working) {
|
|
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
|
|
if (!r) {
|
|
if (vm->ib_bo_va)
|
|
radeon_vm_bo_rmv(rdev, vm->ib_bo_va);
|
|
radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
|
|
}
|
|
radeon_vm_fini(rdev, vm);
|
|
}
|
|
|
|
kfree(fpriv);
|
|
file_priv->driver_priv = NULL;
|
|
}
|
|
pm_runtime_mark_last_busy(dev->dev);
|
|
pm_runtime_put_autosuspend(dev->dev);
|
|
}
|
|
|
|
/*
|
|
* VBlank related functions.
|
|
*/
|
|
/**
|
|
* radeon_get_vblank_counter_kms - get frame count
|
|
*
|
|
* @crtc: crtc to get the frame count from
|
|
*
|
|
* Gets the frame count on the requested crtc (all asics).
|
|
* Returns frame count on success, -EINVAL on failure.
|
|
*/
|
|
u32 radeon_get_vblank_counter_kms(struct drm_crtc *crtc)
|
|
{
|
|
struct drm_device *dev = crtc->dev;
|
|
unsigned int pipe = crtc->index;
|
|
int vpos, hpos, stat;
|
|
u32 count;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
|
|
if (pipe >= rdev->num_crtc) {
|
|
DRM_ERROR("Invalid crtc %u\n", pipe);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* The hw increments its frame counter at start of vsync, not at start
|
|
* of vblank, as is required by DRM core vblank counter handling.
|
|
* Cook the hw count here to make it appear to the caller as if it
|
|
* incremented at start of vblank. We measure distance to start of
|
|
* vblank in vpos. vpos therefore will be >= 0 between start of vblank
|
|
* and start of vsync, so vpos >= 0 means to bump the hw frame counter
|
|
* result by 1 to give the proper appearance to caller.
|
|
*/
|
|
if (rdev->mode_info.crtcs[pipe]) {
|
|
/* Repeat readout if needed to provide stable result if
|
|
* we cross start of vsync during the queries.
|
|
*/
|
|
do {
|
|
count = radeon_get_vblank_counter(rdev, pipe);
|
|
/* Ask radeon_get_crtc_scanoutpos to return vpos as
|
|
* distance to start of vblank, instead of regular
|
|
* vertical scanout pos.
|
|
*/
|
|
stat = radeon_get_crtc_scanoutpos(
|
|
dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
|
|
&vpos, &hpos, NULL, NULL,
|
|
&rdev->mode_info.crtcs[pipe]->base.hwmode);
|
|
} while (count != radeon_get_vblank_counter(rdev, pipe));
|
|
|
|
if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
|
|
(DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
|
|
DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
|
|
}
|
|
else {
|
|
DRM_DEBUG_VBL("crtc %u: dist from vblank start %d\n",
|
|
pipe, vpos);
|
|
|
|
/* Bump counter if we are at >= leading edge of vblank,
|
|
* but before vsync where vpos would turn negative and
|
|
* the hw counter really increments.
|
|
*/
|
|
if (vpos >= 0)
|
|
count++;
|
|
}
|
|
}
|
|
else {
|
|
/* Fallback to use value as is. */
|
|
count = radeon_get_vblank_counter(rdev, pipe);
|
|
DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
/**
|
|
* radeon_enable_vblank_kms - enable vblank interrupt
|
|
*
|
|
* @crtc: crtc to enable vblank interrupt for
|
|
*
|
|
* Enable the interrupt on the requested crtc (all asics).
|
|
* Returns 0 on success, -EINVAL on failure.
|
|
*/
|
|
int radeon_enable_vblank_kms(struct drm_crtc *crtc)
|
|
{
|
|
struct drm_device *dev = crtc->dev;
|
|
unsigned int pipe = crtc->index;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
unsigned long irqflags;
|
|
int r;
|
|
|
|
if (pipe >= rdev->num_crtc) {
|
|
DRM_ERROR("Invalid crtc %d\n", pipe);
|
|
return -EINVAL;
|
|
}
|
|
|
|
spin_lock_irqsave(&rdev->irq.lock, irqflags);
|
|
rdev->irq.crtc_vblank_int[pipe] = true;
|
|
r = radeon_irq_set(rdev);
|
|
spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* radeon_disable_vblank_kms - disable vblank interrupt
|
|
*
|
|
* @crtc: crtc to disable vblank interrupt for
|
|
*
|
|
* Disable the interrupt on the requested crtc (all asics).
|
|
*/
|
|
void radeon_disable_vblank_kms(struct drm_crtc *crtc)
|
|
{
|
|
struct drm_device *dev = crtc->dev;
|
|
unsigned int pipe = crtc->index;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
unsigned long irqflags;
|
|
|
|
if (pipe >= rdev->num_crtc) {
|
|
DRM_ERROR("Invalid crtc %d\n", pipe);
|
|
return;
|
|
}
|
|
|
|
spin_lock_irqsave(&rdev->irq.lock, irqflags);
|
|
rdev->irq.crtc_vblank_int[pipe] = false;
|
|
radeon_irq_set(rdev);
|
|
spin_unlock_irqrestore(&rdev->irq.lock, irqflags);
|
|
}
|