Move initial framebuffer allocation and configuration to drm_initial_config,
authorJesse Barnes <jbarnes@hobbes.virtuousgeek.org>
Tue, 17 Apr 2007 17:00:37 +0000 (10:00 -0700)
committerJesse Barnes <jbarnes@hobbes.virtuousgeek.org>
Tue, 17 Apr 2007 17:00:37 +0000 (10:00 -0700)
remove i915_driver_load fb related stuff.  Add a small helper for setting up
outputs.

linux-core/drm_crtc.c
linux-core/drm_crtc.h
shared-core/i915_init.c

index adea030..ff98926 100644 (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);
index c02dced..560c38f 100644 (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);
index 273a111..b98f155 100644 (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);