gma500: Begin the GEMification of the cursor code

Do a first pass over the cursor code and rework it to use GEM objects for
the cursor buffer as we need.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2011-04-19 15:27:53 +01:00 committed by Greg Kroah-Hartman
parent 6a62730c7a
commit 0dfac1ceb4
3 changed files with 26 additions and 75 deletions

View file

@ -732,39 +732,17 @@ static void psb_setup_outputs(struct drm_device *dev)
}
}
/* FIXME: rewrite these in terms of the gtt_range and GEM objects
/* FIXME: rewrite this in terms of the gtt_range and GEM objects
rather than faking them as we do now */
static void *psb_bo_from_handle(struct drm_device *dev,
struct drm_file *file_priv,
unsigned int handle)
{
return NULL;
}
static size_t psb_bo_size(struct drm_device *dev, void *bof)
{
return 0;
}
static size_t psb_bo_offset(struct drm_device *dev, void *bof)
static size_t psb_bo_offset(struct drm_device *dev, void *obj)
{
struct psb_framebuffer *psbfb
= (struct psb_framebuffer *)bof;
= (struct psb_framebuffer *)obj;
return (size_t)psbfb->offset;
}
static int psb_bo_pin_for_scanout(struct drm_device *dev, void *bo)
{
return 0;
}
static int psb_bo_unpin_for_scanout(struct drm_device *dev, void *bo)
{
return 0;
}
void psb_modeset_init(struct drm_device *dev)
{
struct drm_psb_private *dev_priv =
@ -774,11 +752,7 @@ void psb_modeset_init(struct drm_device *dev)
PSB_DEBUG_ENTRY("\n");
/* Init mm functions */
mode_dev->bo_from_handle = psb_bo_from_handle;
mode_dev->bo_size = psb_bo_size;
mode_dev->bo_offset = psb_bo_offset;
mode_dev->bo_pin_for_scanout = psb_bo_pin_for_scanout;
mode_dev->bo_unpin_for_scanout = psb_bo_unpin_for_scanout;
drm_mode_config_init(dev);

View file

@ -1014,8 +1014,6 @@ static void psb_intel_crtc_restore(struct drm_crtc *crtc)
REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);
}
#if 0
/* FIXME */
static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
struct drm_file *file_priv,
uint32_t handle,
@ -1024,17 +1022,14 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
struct drm_device *dev = crtc->dev;
struct drm_psb_private *dev_priv =
(struct drm_psb_private *)dev->dev_private;
struct psb_gtt *pg = dev_priv->pg;
struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
struct psb_intel_mode_device *mode_dev = psb_intel_crtc->mode_dev;
int pipe = psb_intel_crtc->pipe;
uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
uint32_t temp;
size_t addr = 0;
uint32_t page_offset;
size_t size;
void *bo;
struct gtt_range *gt;
struct drm_gem_object *obj;
int ret;
DRM_DEBUG("\n");
@ -1043,8 +1038,7 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
if (!handle) {
DRM_DEBUG("cursor off\n");
/* turn off the cursor */
temp = 0;
temp |= CURSOR_MODE_DISABLE;
temp = CURSOR_MODE_DISABLE;
if (gma_power_begin(dev, false)) {
REG_WRITE(control, temp);
@ -1052,12 +1046,10 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
gma_power_end(dev);
}
/* unpin the old bo */
if (psb_intel_crtc->cursor_bo) {
mode_dev->bo_unpin_for_scanout(dev,
psb_intel_crtc->
cursor_bo);
psb_intel_crtc->cursor_bo = NULL;
/* Unpin the old GEM object */
if (psb_intel_crtc->cursor_obj) {
drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
psb_intel_crtc->cursor_obj = NULL;
}
return 0;
@ -1069,15 +1061,11 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
return -EINVAL;
}
bo = mode_dev->bo_from_handle(dev, file_priv, handle);
if (!bo)
obj = drm_gem_object_lookup(dev, file_priv, handle);
if (!obj)
return -ENOENT;
ret = mode_dev->bo_pin_for_scanout(dev, bo);
if (ret)
return ret;
size = mode_dev->bo_size(dev, bo);
if (size < width * height * 4) {
if (obj->size < width * height * 4) {
DRM_ERROR("buffer is to small\n");
return -ENOMEM;
}
@ -1086,15 +1074,15 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
DRM_DEBUG("%s: map meminfo for hw cursor. handle %x\n",
__func__, handle);
ret = psb_gtt_map_meminfo(dev, (void *)handle, &page_offset);
/* Pin : FIXME
if (ret) {
DRM_ERROR("Can not map meminfo to GTT. handle 0x%x\n", handle);
return ret;
}
*/
gt = container_of(obj, struct gtt_range, gem);
addr = page_offset << PAGE_SHIFT;
addr += dev_priv->stolen_base;
addr = gt->resource.start;
psb_intel_crtc->cursor_addr = addr;
@ -1110,9 +1098,9 @@ static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
}
/* unpin the old bo */
if (psb_intel_crtc->cursor_bo && psb_intel_crtc->cursor_bo != bo) {
mode_dev->bo_unpin_for_scanout(dev, psb_intel_crtc->cursor_bo);
psb_intel_crtc->cursor_bo = bo;
if (psb_intel_crtc->cursor_obj && psb_intel_crtc->cursor_obj != obj) {
drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
psb_intel_crtc->cursor_obj = obj;
}
return 0;
@ -1124,7 +1112,7 @@ static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
int pipe = psb_intel_crtc->pipe;
uint32_t temp = 0;
uint32_t adder;
uint32_t addr;
if (x < 0) {
@ -1139,16 +1127,15 @@ static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
adder = psb_intel_crtc->cursor_addr;
addr = psb_intel_crtc->cursor_addr;
if (gma_power_begin(dev, false)) {
REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder);
REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, addr);
gma_power_end(dev);
}
return 0;
}
#endif
static void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
u16 *green, u16 *blue, uint32_t type, uint32_t size)
@ -1315,6 +1302,7 @@ static void psb_intel_crtc_destroy(struct drm_crtc *crtc)
{
struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
/* FIXME: do we need to put the final GEM cursor ? */
kfree(psb_intel_crtc->crtc_state);
drm_crtc_cleanup(crtc);
kfree(psb_intel_crtc);
@ -1332,10 +1320,8 @@ static const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
const struct drm_crtc_funcs psb_intel_crtc_funcs = {
.save = psb_intel_crtc_save,
.restore = psb_intel_crtc_restore,
/* FIXME
.cursor_set = psb_intel_crtc_cursor_set,
.cursor_move = psb_intel_crtc_cursor_move,
*/
.gamma_set = psb_intel_crtc_gamma_set,
.set_config = psb_crtc_set_config,
.destroy = psb_intel_crtc_destroy,

View file

@ -76,13 +76,7 @@ struct psb_intel_mode_device {
/*
* Abstracted memory manager operations
*/
void *(*bo_from_handle) (struct drm_device *dev,
struct drm_file *file_priv,
unsigned int handle);
size_t(*bo_size) (struct drm_device *dev, void *bo);
size_t(*bo_offset) (struct drm_device *dev, void *bo);
int (*bo_pin_for_scanout) (struct drm_device *dev, void *bo);
int (*bo_unpin_for_scanout) (struct drm_device *dev, void *bo);
/*
* Cursor
@ -156,11 +150,8 @@ struct psb_intel_crtc {
/* a mode_set for fbdev users on this crtc */
struct drm_mode_set mode_set;
/* current bo we scanout from */
void *scanout_bo;
/* current bo we cursor from */
void *cursor_bo;
/* GEM object that holds our cursor */
struct drm_gem_object *cursor_obj;
struct drm_display_mode saved_mode;
struct drm_display_mode saved_adjusted_mode;