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Move initial framebuffer allocation and configuration to drm_initial_config, 

remove i915_driver_load fb related stuff.  Add a small helper for setting up
outputs.
main
Jesse Barnes 2007-04-17 10:00:37 -07:00
parent eeb5de0594
commit 4e4d9cbeb3
3 changed files with 61 additions and 63 deletions
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73
linux-core/drm_crtc.c
View File

@ -1,6 +1,6 @@
#include <linux/list.h>
#include "drmP.h"
#include "drm.h"
#include "drmP.h"
#include "drm_crtc.h"
int drm_mode_idr_get(struct drm_device *dev, void *ptr)
@ -500,6 +500,15 @@ out_err:
return ret;
}
static void drm_setup_output(struct drm_output *output, struct drm_crtc *crtc,
struct drm_display_mode *mode)
{
output->crtc = crtc;
output->crtc->desired_mode = mode;
output->initial_x = 0;
output->initial_y = 0;
}
/**
* drm_initial_config - setup a sane initial output configuration
* @dev: DRM device
@ -510,13 +519,21 @@ out_err:
* At the moment, this is a cloned configuration across all heads with
* @fb as the backing store.
*/
bool drm_initial_config(drm_device_t *dev, struct drm_framebuffer *fb,
bool can_grow)
bool drm_initial_config(drm_device_t *dev, bool can_grow)
{
/* do a hardcoded initial configuration here */
struct drm_crtc *crtc, *vga_crtc = NULL, *dvi_crtc = NULL,
struct drm_crtc *crtc, *vga_crtc = NULL, *tmds_crtc = NULL,
*lvds_crtc = NULL;
struct drm_output *output, *use_output = NULL;
struct drm_output *output;
struct drm_framebuffer *fb;
drm_buffer_object_t *fbo;
unsigned long size, bytes_per_pixel;
fb = drm_framebuffer_create(dev);
if (!fb) {
DRM_ERROR("failed to allocate fb.\n");
return true;
}
/* bind both CRTCs to this fb */
/* only initialise one crtc to enabled state */
@ -532,8 +549,8 @@ bool drm_initial_config(drm_device_t *dev, struct drm_framebuffer *fb,
crtc->enabled = 1;
crtc->desired_x = 0;
crtc->desired_y = 0;
} else if (!dvi_crtc) {
dvi_crtc = crtc;
} else if (!tmds_crtc) {
tmds_crtc = crtc;
crtc->enabled = 1;
crtc->desired_x = 0;
crtc->desired_y = 0;
@ -557,29 +574,43 @@ bool drm_initial_config(drm_device_t *dev, struct drm_framebuffer *fb,
break;
}
if (!strncmp(output->name, "VGA", 3)) {
output->crtc = vga_crtc;
DRM_DEBUG("VGA preferred mode: %s\n", des_mode->name);
output->crtc->desired_mode = des_mode;
output->initial_x = 0;
output->initial_y = 0;
use_output = output;
drm_setup_output(output, vga_crtc, des_mode);
} else if (!strncmp(output->name, "TMDS", 4)) {
output->crtc = vga_crtc;
DRM_DEBUG("TMDS preferred mode: %s\n", des_mode->name);
output->crtc->desired_mode = des_mode;
output->initial_x = 0;
output->initial_y = 0;
drm_setup_output(output, tmds_crtc, des_mode);
} else if (!strncmp(output->name, "LVDS", 3)) {
output->crtc = lvds_crtc;
DRM_DEBUG("LVDS preferred mode: %s\n", des_mode->name);
output->crtc->desired_mode = des_mode;
output->initial_x = 0;
output->initial_y = 0;
drm_setup_output(output, lvds_crtc, des_mode);
} else
output->crtc = NULL;
/* FB config is max of above desired resolutions */
/* FIXME: per-output FBs/CRTCs */
if (des_mode->hdisplay > fb->width) {
fb->width = des_mode->hdisplay;
fb->pitch = fb->width;
}
if (des_mode->vdisplay > fb->height)
fb->height = des_mode->vdisplay;
}
/* FIXME: multiple depths */
bytes_per_pixel = 4;
fb->bits_per_pixel = bytes_per_pixel * 8;
fb->depth = bytes_per_pixel * 8;
size = fb->width * fb->height * bytes_per_pixel;
drm_buffer_object_create(dev, size, drm_bo_type_kernel,
DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE |
DRM_BO_FLAG_MEM_PRIV0 | DRM_BO_FLAG_NO_MOVE,
0, 0, 0,
&fbo);
DRM_DEBUG("allocated %dx%d fb: 0x%08lx\n", fb->width, fb->height,
fbo->offset);
fb->offset = fbo->offset;
fb->bo = fbo;
drmfb_probe(dev, fb);
return false;
}
EXPORT_SYMBOL(drm_initial_config);

3
linux-core/drm_crtc.h
View File

@ -452,8 +452,7 @@ extern int drm_mode_vrefresh(struct drm_display_mode *mode);
extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
int adjust_flags);
extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
extern bool drm_initial_config(struct drm_device *dev,
struct drm_framebuffer *fb, bool cangrow);
extern bool drm_initial_config(struct drm_device *dev, bool cangrow);
extern void drm_framebuffer_set_object(struct drm_device *dev,
unsigned long handle);
extern bool drm_set_desired_modes(struct drm_device *dev);

48
shared-core/i915_init.c
View File

@ -112,13 +112,9 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size,
int i915_driver_load(drm_device_t *dev, unsigned long flags)
{
drm_i915_private_t *dev_priv;
drm_i915_init_t init;
drm_buffer_object_t *entry;
drm_local_map_t *map;
struct drm_framebuffer *fb;
unsigned long agp_size, prealloc_size;
unsigned long sareapage;
int hsize, vsize, bytes_per_pixel, size, ret;
int size, ret;
dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
if (dev_priv == NULL)
@ -150,6 +146,8 @@ int i915_driver_load(drm_device_t *dev, unsigned long flags)
return -ENODEV;
}
DRM_DEBUG("fb_base: 0x%08lx\n", dev_priv->baseaddr);
ret = drm_addmap(dev, dev_priv->mmiobase, dev_priv->mmiolen,
_DRM_REGISTERS, _DRM_READ_ONLY|_DRM_DRIVER, &dev_priv->mmio_map);
if (ret != 0) {
@ -177,7 +175,7 @@ int i915_driver_load(drm_device_t *dev, unsigned long flags)
drm_bo_driver_init(dev);
i915_probe_agp(dev->pdev, &agp_size, &prealloc_size);
DRM_DEBUG("setting up %d bytes of PRIV0 space\n", prealloc_size);
DRM_DEBUG("setting up %ld bytes of PRIV0 space\n", prealloc_size);
drm_bo_init_mm(dev, DRM_BO_MEM_PRIV0, dev_priv->baseaddr,
prealloc_size >> PAGE_SHIFT);
@ -199,13 +197,14 @@ int i915_driver_load(drm_device_t *dev, unsigned long flags)
dev_priv->ring.Size = size;
dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
/* FIXME: need wrapper with PCI mem checks */
ret = drm_mem_reg_ioremap(dev, &dev_priv->ring_buffer->mem,
&dev_priv->ring.virtual_start);
if (ret)
DRM_ERROR("error mapping ring buffer: %d\n", ret);
DRM_DEBUG("ring start %08X, %08X, %08X\n", dev_priv->ring.Start, dev_priv->ring.virtual_start, dev_priv->ring.Size);
DRM_DEBUG("ring start %08lX, %p, %08lX\n", dev_priv->ring.Start,
dev_priv->ring.virtual_start, dev_priv->ring.Size);
I915_WRITE(LP_RING + RING_HEAD, 0);
I915_WRITE(LP_RING + RING_TAIL, 0);
I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start);
@ -242,46 +241,15 @@ int i915_driver_load(drm_device_t *dev, unsigned long flags)
I915_WRITE(0x02080, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
#if 1
/* Allocate scanout buffer and command ring */
/* FIXME: types and other args correct? */
hsize = 1280;
vsize = 800;
bytes_per_pixel = 4;
size = hsize * vsize * bytes_per_pixel;
drm_buffer_object_create(dev, size, drm_bo_type_kernel,
DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE |
DRM_BO_FLAG_MEM_PRIV0 | DRM_BO_FLAG_NO_MOVE,
0, 0, 0,
&entry);
#endif
intel_modeset_init(dev);
drm_initial_config(dev, false);
#if 1
fb = drm_framebuffer_create(dev);
if (!fb) {
DRM_ERROR("failed to allocate fb\n");
return -EINVAL;
}
fb->width = hsize;
fb->height = vsize;
fb->pitch = hsize;
fb->bits_per_pixel = bytes_per_pixel * 8;
fb->depth = bytes_per_pixel * 8;
fb->offset = entry->offset;
fb->bo = entry;
drm_initial_config(dev, fb, false);
drmfb_probe(dev, fb);
#endif
return 0;
}
int i915_driver_unload(drm_device_t *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_framebuffer *fb;
if (dev_priv->status_page_dmah) {
drm_pci_free(dev, dev_priv->status_page_dmah);