![Eric Anholt](/assets/img/avatar_default.png)
obj_priv->write_domain is "write domain if the GPU went idle now", not "write domain at this moment." By postponing the clear, we confused the concept, required more storage, and potentially emitted more flushes than are required. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
301 lines
8.2 KiB
C
301 lines
8.2 KiB
C
/*
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* Copyright © 2008 Intel Corporation
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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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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* Keith Packard <keithp@keithp.com>
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*
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*/
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#include "drmP.h"
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#include "drm.h"
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#include "i915_drm.h"
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#include "i915_drv.h"
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static int i915_gem_active_info(char *buf, char **start, off_t offset,
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int request, int *eof, void *data)
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{
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struct drm_minor *minor = (struct drm_minor *) data;
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struct drm_device *dev = minor->dev;
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drm_i915_private_t *dev_priv = dev->dev_private;
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struct drm_i915_gem_object *obj_priv;
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int len = 0;
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if (offset > DRM_PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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*start = &buf[offset];
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*eof = 0;
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DRM_PROC_PRINT("Active:\n");
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list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
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list)
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{
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struct drm_gem_object *obj = obj_priv->obj;
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if (obj->name) {
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DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
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obj, obj->name,
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obj->read_domains, obj->write_domain,
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obj_priv->last_rendering_seqno);
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} else {
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DRM_PROC_PRINT(" %p: %08x %08x %d\n",
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obj,
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obj->read_domains, obj->write_domain,
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obj_priv->last_rendering_seqno);
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}
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}
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if (len > request + offset)
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return request;
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*eof = 1;
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return len - offset;
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}
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static int i915_gem_flushing_info(char *buf, char **start, off_t offset,
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int request, int *eof, void *data)
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{
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struct drm_minor *minor = (struct drm_minor *) data;
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struct drm_device *dev = minor->dev;
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drm_i915_private_t *dev_priv = dev->dev_private;
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struct drm_i915_gem_object *obj_priv;
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int len = 0;
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if (offset > DRM_PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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*start = &buf[offset];
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*eof = 0;
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DRM_PROC_PRINT("Flushing:\n");
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list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
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list)
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{
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struct drm_gem_object *obj = obj_priv->obj;
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if (obj->name) {
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DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
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obj, obj->name,
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obj->read_domains, obj->write_domain,
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obj_priv->last_rendering_seqno);
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} else {
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DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
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obj->read_domains, obj->write_domain,
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obj_priv->last_rendering_seqno);
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}
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}
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if (len > request + offset)
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return request;
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*eof = 1;
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return len - offset;
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}
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static int i915_gem_inactive_info(char *buf, char **start, off_t offset,
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int request, int *eof, void *data)
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{
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struct drm_minor *minor = (struct drm_minor *) data;
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struct drm_device *dev = minor->dev;
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drm_i915_private_t *dev_priv = dev->dev_private;
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struct drm_i915_gem_object *obj_priv;
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int len = 0;
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if (offset > DRM_PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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*start = &buf[offset];
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*eof = 0;
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DRM_PROC_PRINT("Inactive:\n");
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list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
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list)
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{
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struct drm_gem_object *obj = obj_priv->obj;
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if (obj->name) {
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DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
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obj, obj->name,
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obj->read_domains, obj->write_domain,
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obj_priv->last_rendering_seqno);
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} else {
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DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
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obj->read_domains, obj->write_domain,
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obj_priv->last_rendering_seqno);
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}
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}
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if (len > request + offset)
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return request;
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*eof = 1;
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return len - offset;
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}
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static int i915_gem_request_info(char *buf, char **start, off_t offset,
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int request, int *eof, void *data)
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{
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struct drm_minor *minor = (struct drm_minor *) data;
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struct drm_device *dev = minor->dev;
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drm_i915_private_t *dev_priv = dev->dev_private;
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struct drm_i915_gem_request *gem_request;
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int len = 0;
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if (offset > DRM_PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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*start = &buf[offset];
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*eof = 0;
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DRM_PROC_PRINT("Request:\n");
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list_for_each_entry(gem_request, &dev_priv->mm.request_list,
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list)
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{
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DRM_PROC_PRINT(" %d @ %d\n",
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gem_request->seqno,
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(int) (jiffies - gem_request->emitted_jiffies));
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}
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if (len > request + offset)
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return request;
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*eof = 1;
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return len - offset;
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}
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static int i915_gem_seqno_info(char *buf, char **start, off_t offset,
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int request, int *eof, void *data)
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{
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struct drm_minor *minor = (struct drm_minor *) data;
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struct drm_device *dev = minor->dev;
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drm_i915_private_t *dev_priv = dev->dev_private;
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int len = 0;
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if (offset > DRM_PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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*start = &buf[offset];
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*eof = 0;
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if (dev_priv->hw_status_page != NULL) {
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DRM_PROC_PRINT("Current sequence: %d\n",
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i915_get_gem_seqno(dev));
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} else {
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DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
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}
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DRM_PROC_PRINT("Waiter sequence: %d\n",
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dev_priv->mm.waiting_gem_seqno);
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DRM_PROC_PRINT("IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
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if (len > request + offset)
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return request;
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*eof = 1;
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return len - offset;
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}
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static int i915_interrupt_info(char *buf, char **start, off_t offset,
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int request, int *eof, void *data)
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{
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struct drm_minor *minor = (struct drm_minor *) data;
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struct drm_device *dev = minor->dev;
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drm_i915_private_t *dev_priv = dev->dev_private;
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int len = 0;
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if (offset > DRM_PROC_LIMIT) {
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*eof = 1;
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return 0;
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}
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*start = &buf[offset];
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*eof = 0;
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DRM_PROC_PRINT("Interrupt enable: %08x\n",
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I915_READ(IER));
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DRM_PROC_PRINT("Interrupt identity: %08x\n",
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I915_READ(IIR));
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DRM_PROC_PRINT("Interrupt mask: %08x\n",
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I915_READ(IMR));
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DRM_PROC_PRINT("Pipe A stat: %08x\n",
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I915_READ(PIPEASTAT));
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DRM_PROC_PRINT("Pipe B stat: %08x\n",
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I915_READ(PIPEBSTAT));
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DRM_PROC_PRINT("Interrupts received: %d\n",
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atomic_read(&dev_priv->irq_received));
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if (dev_priv->hw_status_page != NULL) {
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DRM_PROC_PRINT("Current sequence: %d\n",
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i915_get_gem_seqno(dev));
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} else {
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DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
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}
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DRM_PROC_PRINT("Waiter sequence: %d\n",
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dev_priv->mm.waiting_gem_seqno);
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DRM_PROC_PRINT("IRQ sequence: %d\n",
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dev_priv->mm.irq_gem_seqno);
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if (len > request + offset)
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return request;
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*eof = 1;
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return len - offset;
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}
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static struct drm_proc_list {
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/** file name */
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const char *name;
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/** proc callback*/
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int (*f) (char *, char **, off_t, int, int *, void *);
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} i915_gem_proc_list[] = {
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{"i915_gem_active", i915_gem_active_info},
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{"i915_gem_flushing", i915_gem_flushing_info},
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{"i915_gem_inactive", i915_gem_inactive_info},
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{"i915_gem_request", i915_gem_request_info},
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{"i915_gem_seqno", i915_gem_seqno_info},
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{"i915_gem_interrupt", i915_interrupt_info},
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};
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#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list)
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int i915_gem_proc_init(struct drm_minor *minor)
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{
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struct proc_dir_entry *ent;
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int i, j;
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for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) {
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ent = create_proc_entry(i915_gem_proc_list[i].name,
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S_IFREG | S_IRUGO, minor->dev_root);
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if (!ent) {
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DRM_ERROR("Cannot create /proc/dri/.../%s\n",
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i915_gem_proc_list[i].name);
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for (j = 0; j < i; j++)
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remove_proc_entry(i915_gem_proc_list[i].name,
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minor->dev_root);
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return -1;
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}
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ent->read_proc = i915_gem_proc_list[i].f;
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ent->data = minor;
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}
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return 0;
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}
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void i915_gem_proc_cleanup(struct drm_minor *minor)
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{
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int i;
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if (!minor->dev_root)
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return;
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for (i = 0; i < I915_GEM_PROC_ENTRIES; i++)
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remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root);
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}
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