forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge branch 'server-fixes' into drm-next

Browse source 
Merge the fixes for the server driver dirty update paths
* server-fixes:
  drm/cirrus: deal with bo reserve fail in dirty update path
  drm/ast: deal with bo reserve fail in dirty update path
  drm/mgag200: deal with bo reserve fail in dirty update path
This commit is contained in:
Dave Airlie 2013-05-03 10:13:08 +10:00
commit d2dbaaf626
9 changed files with 127 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/gpu/drm/ast/ast_drv.h
View file

@ -241,6 +241,8 @@ struct ast_fbdev {
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
int x1, y1, x2, y2; /* dirty rect */
spinlock_t dirty_lock;
};
#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)

43
drivers/gpu/drm/ast/ast_fb.c
View file

@ -53,16 +53,52 @@ static void ast_dirty_update(struct ast_fbdev *afbdev,
int bpp = (afbdev->afb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
bool store_for_later = false;
int x2, y2;
unsigned long flags;
obj = afbdev->afb.obj;
bo = gem_to_ast_bo(obj);
/*
* try and reserve the BO, if we fail with busy
* then the BO is being moved and we should
* store up the damage until later.
*/
ret = ast_bo_reserve(bo, true);
if (ret) {
DRM_ERROR("failed to reserve fb bo\n");
if (ret != -EBUSY)
return;
store_for_later = true;
}
x2 = x + width - 1;
y2 = y + height - 1;
spin_lock_irqsave(&afbdev->dirty_lock, flags);
if (afbdev->y1 < y)
y = afbdev->y1;
if (afbdev->y2 > y2)
y2 = afbdev->y2;
if (afbdev->x1 < x)
x = afbdev->x1;
if (afbdev->x2 > x2)
x2 = afbdev->x2;
if (store_for_later) {
afbdev->x1 = x;
afbdev->x2 = x2;
afbdev->y1 = y;
afbdev->y2 = y2;
spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
return;
}
afbdev->x1 = afbdev->y1 = INT_MAX;
afbdev->x2 = afbdev->y2 = 0;
spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@ -72,10 +108,10 @@ static void ast_dirty_update(struct ast_fbdev *afbdev,
}
unmap = true;
}
for (i = y; i < y + height; i++) {
for (i = y; i <= y2; i++) {
/* assume equal stride for now */
src_offset = dst_offset = i * afbdev->afb.base.pitches[0] + (x * bpp);
memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, width * bpp);
memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, (x2 - x + 1) * bpp);
}
if (unmap)
@ -292,6 +328,7 @@ int ast_fbdev_init(struct drm_device *dev)
ast->fbdev = afbdev;
afbdev->helper.funcs = &ast_fb_helper_funcs;
spin_lock_init(&afbdev->dirty_lock);
ret = drm_fb_helper_init(dev, &afbdev->helper,
1, 1);
if (ret) {

2
drivers/gpu/drm/ast/ast_ttm.c
View file

@ -316,7 +316,7 @@ int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
if (ret != -ERESTARTSYS)
if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}

2
drivers/gpu/drm/cirrus/cirrus_drv.h
View file

@ -154,6 +154,8 @@ struct cirrus_fbdev {
struct list_head fbdev_list;
void *sysram;
int size;
int x1, y1, x2, y2; /* dirty rect */
spinlock_t dirty_lock;
};
struct cirrus_bo {

38
drivers/gpu/drm/cirrus/cirrus_fbdev.c
View file

@ -27,16 +27,51 @@ static void cirrus_dirty_update(struct cirrus_fbdev *afbdev,
int bpp = (afbdev->gfb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
bool store_for_later = false;
int x2, y2;
unsigned long flags;
obj = afbdev->gfb.obj;
bo = gem_to_cirrus_bo(obj);
/*
* try and reserve the BO, if we fail with busy
* then the BO is being moved and we should
* store up the damage until later.
*/
ret = cirrus_bo_reserve(bo, true);
if (ret) {
DRM_ERROR("failed to reserve fb bo\n");
if (ret != -EBUSY)
return;
store_for_later = true;
}
x2 = x + width - 1;
y2 = y + height - 1;
spin_lock_irqsave(&afbdev->dirty_lock, flags);
if (afbdev->y1 < y)
y = afbdev->y1;
if (afbdev->y2 > y2)
y2 = afbdev->y2;
if (afbdev->x1 < x)
x = afbdev->x1;
if (afbdev->x2 > x2)
x2 = afbdev->x2;
if (store_for_later) {
afbdev->x1 = x;
afbdev->x2 = x2;
afbdev->y1 = y;
afbdev->y2 = y2;
spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
return;
}
afbdev->x1 = afbdev->y1 = INT_MAX;
afbdev->x2 = afbdev->y2 = 0;
spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@ -268,6 +303,7 @@ int cirrus_fbdev_init(struct cirrus_device *cdev)
cdev->mode_info.gfbdev = gfbdev;
gfbdev->helper.funcs = &cirrus_fb_helper_funcs;
spin_lock_init(&gfbdev->dirty_lock);
ret = drm_fb_helper_init(cdev->dev, &gfbdev->helper,
cdev->num_crtc, CIRRUSFB_CONN_LIMIT);

2
drivers/gpu/drm/cirrus/cirrus_ttm.c
View file

@ -321,7 +321,7 @@ int cirrus_bo_reserve(struct cirrus_bo *bo, bool no_wait)
ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
if (ret != -ERESTARTSYS)
if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}

2
drivers/gpu/drm/mgag200/mgag200_drv.h
View file

@ -115,6 +115,8 @@ struct mga_fbdev {
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
int x1, y1, x2, y2; /* dirty rect */
spinlock_t dirty_lock;
};
struct mga_crtc {

43
drivers/gpu/drm/mgag200/mgag200_fb.c
View file

@ -29,16 +29,52 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev,
int bpp = (mfbdev->mfb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
bool store_for_later = false;
int x2, y2;
unsigned long flags;
obj = mfbdev->mfb.obj;
bo = gem_to_mga_bo(obj);
/*
* try and reserve the BO, if we fail with busy
* then the BO is being moved and we should
* store up the damage until later.
*/
ret = mgag200_bo_reserve(bo, true);
if (ret) {
DRM_ERROR("failed to reserve fb bo\n");
if (ret != -EBUSY)
return;
store_for_later = true;
}
x2 = x + width - 1;
y2 = y + height - 1;
spin_lock_irqsave(&mfbdev->dirty_lock, flags);
if (mfbdev->y1 < y)
y = mfbdev->y1;
if (mfbdev->y2 > y2)
y2 = mfbdev->y2;
if (mfbdev->x1 < x)
x = mfbdev->x1;
if (mfbdev->x2 > x2)
x2 = mfbdev->x2;
if (store_for_later) {
mfbdev->x1 = x;
mfbdev->x2 = x2;
mfbdev->y1 = y;
mfbdev->y2 = y2;
spin_unlock_irqrestore(&mfbdev->dirty_lock, flags);
return;
}
mfbdev->x1 = mfbdev->y1 = INT_MAX;
mfbdev->x2 = mfbdev->y2 = 0;
spin_unlock_irqrestore(&mfbdev->dirty_lock, flags);
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@ -48,10 +84,10 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev,
}
unmap = true;
}
for (i = y; i < y + height; i++) {
for (i = y; i <= y2; i++) {
/* assume equal stride for now */
src_offset = dst_offset = i * mfbdev->mfb.base.pitches[0] + (x * bpp);
memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, width * bpp);
memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, (x2 - x + 1) * bpp);
}
if (unmap)
@ -252,6 +288,7 @@ int mgag200_fbdev_init(struct mga_device *mdev)
mdev->mfbdev = mfbdev;
mfbdev->helper.funcs = &mga_fb_helper_funcs;
spin_lock_init(&mfbdev->dirty_lock);
ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper,
mdev->num_crtc, MGAG200FB_CONN_LIMIT);

4
drivers/gpu/drm/mgag200/mgag200_ttm.c
View file

@ -315,8 +315,8 @@ int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait)
ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
if (ret != -ERESTARTSYS)
DRM_ERROR("reserve failed %p\n", bo);
if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p %d\n", bo, ret);
return ret;
}
return 0;