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-rw-r--r--linux-core/drm_crtc.c73
-rw-r--r--linux-core/drm_crtc.h5
-rw-r--r--linux-core/drm_objects.h8
3 files changed, 61 insertions, 25 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index bf019df3..1adae0d2 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -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)
@@ -509,6 +509,15 @@ 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
@@ -519,13 +528,21 @@ 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 */
@@ -541,8 +558,8 @@ 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;
@@ -566,29 +583,43 @@ 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);
diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h
index 584788ee..f8d7da26 100644
--- a/linux-core/drm_crtc.h
+++ b/linux-core/drm_crtc.h
@@ -418,7 +418,7 @@ struct drm_mode_config {
/* DamagePtr rotationDamage? */
/* DGA stuff? */
struct drm_mode_config_funcs *funcs;
- int fb_base;
+ unsigned long fb_base;
};
struct drm_output *drm_output_create(struct drm_device *dev,
@@ -453,8 +453,7 @@ 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);
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index 401fd0ed..1cdf6964 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -423,7 +423,13 @@ typedef struct drm_bo_driver {
/*
* buffer objects (drm_bo.c)
*/
-
+extern int drm_bo_init_mm(struct drm_device * dev, unsigned type,
+ unsigned long p_offset, unsigned long p_size);
+extern int drm_buffer_object_create(struct drm_device *dev, unsigned long size,
+ drm_bo_type_t type, uint32_t mask,
+ uint32_t hint, uint32_t page_alignment,
+ unsigned long buffer_start,
+ drm_buffer_object_t ** buf_obj);
extern int drm_bo_ioctl(DRM_IOCTL_ARGS);
extern int drm_mm_init_ioctl(DRM_IOCTL_ARGS);
extern int drm_bo_driver_finish(struct drm_device *dev);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 08:37:46 +0000