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beautiful world of hardware accelerated cursors.

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git-svn-id: svn://kolibrios.org@2338 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2012-01-25 04:04:03 +00:00
parent adce55500e
commit 62bf468603
6 changed files with 718 additions and 170 deletions
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163
drivers/video/drm/i915/i915_drv.c
View File

@ -46,6 +46,8 @@
#define __read_mostly
int init_display_kms(struct drm_device *dev);
int i915_panel_ignore_lid __read_mostly = 0;
@ -270,165 +272,14 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent)
ret = i915_driver_load(dev, ent->driver_data );
{
struct drm_connector *connector;
struct drm_connector_helper_funcs *connector_funcs;
if (ret)
goto err_g4;
struct drm_connector *def_connector = NULL;
struct drm_encoder *encoder;
struct drm_crtc *crtc;
ret = init_display_kms(dev);
struct drm_framebuffer *fb;
char *con_name;
char *enc_name;
if (ret)
goto err_g4;
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
{
if( connector->status != connector_status_connected)
continue;
connector_funcs = connector->helper_private;
encoder = connector_funcs->best_encoder(connector);
if( encoder == NULL)
{
dbgprintf("CONNECTOR %x ID: %d no active encoders\n",
connector, connector->base.id);
continue;
}
connector->encoder = encoder;
dbgprintf("CONNECTOR %x ID: %d status %d encoder %x\n crtc %x\n",
connector, connector->base.id,
connector->status, connector->encoder,
encoder->crtc);
def_connector = connector;
crtc = encoder->crtc;
break;
};
if(crtc == NULL)
{
struct drm_crtc *tmp_crtc;
int crtc_mask = 1;
list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head)
{
if (encoder->possible_crtcs & crtc_mask)
{
crtc = tmp_crtc;
encoder->crtc = crtc;
break;
};
crtc_mask <<= 1;
};
if(crtc == NULL)
{
dbgprintf("No CRTC for encoder %d\n", encoder->base.id);
goto out;
}
};
DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_fb_helper *fb_helper = &dev_priv->fbdev->helper;
struct drm_display_mode *mode = NULL, *tmpmode;
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == 1024) &&
(drm_mode_height(tmpmode) == 768) &&
(drm_mode_vrefresh(tmpmode) == 60) )
{
mode = tmpmode;
goto do_set;
}
};
if( (mode == NULL) )
{
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == 1024) &&
(drm_mode_height(tmpmode) == 768) )
{
mode = tmpmode;
goto do_set;
}
};
};
goto out;
do_set:
{
typedef struct tag_display display_t;
struct tag_display
{
int x;
int y;
int width;
int height;
int bpp;
int vrefresh;
int pitch;
int lfb;
int supported_modes;
struct drm_device *ddev;
struct drm_connector *connector;
struct drm_crtc *crtc;
};
display_t *rdisplay;
rdisplay = GetDisplay();
con_name = drm_get_connector_name(connector);
enc_name = drm_get_encoder_name(encoder);
dbgprintf("set mode %d %d connector %s encoder %s\n",
1024, 768, con_name, enc_name);
fb = fb_helper->fb;
fb->width = 1024;
fb->height = 768;
fb->pitch = ALIGN(1024* ((32 + 7) / 8), 64);
fb->bits_per_pixel = 32;
fb->depth == 24;
crtc->fb = fb;
crtc->enabled = true;
ret = drm_crtc_helper_set_mode(crtc, mode, 0, 0, fb);
if (ret == true)
{
rdisplay->width = fb->width;
rdisplay->height = fb->height;
rdisplay->pitch = fb->pitch;
rdisplay->vrefresh = drm_mode_vrefresh(mode);
sysSetScreen(fb->width, fb->height, fb->pitch);
dbgprintf("new mode %d x %d pitch %d\n",
fb->width, fb->height, fb->pitch);
}
else
DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
fb->width, fb->height, crtc);
};
};
out:
// if (ret)
// goto err_g4;
// if( radeon_modeset )
// init_display_kms(dev->dev_private, &usermode);

7
drivers/video/drm/i915/i915_drv.h
View File

@ -1403,5 +1403,12 @@ __i915_write(64, q)
#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
typedef struct
{
int width;
int height;
int bpp;
int freq;
}videomode_t;
#endif

4
drivers/video/drm/i915/intel_bios.c
View File

@ -633,8 +633,6 @@ intel_parse_bios(struct drm_device *dev)
struct bdb_header *bdb = NULL;
u8 __iomem *bios = NULL;
ENTER();
init_vbt_defaults(dev_priv);
/* XXX Should this validation be moved to intel_opregion.c? */
@ -687,8 +685,6 @@ intel_parse_bios(struct drm_device *dev)
if (bios)
pci_unmap_rom(pdev, bios);
LEAVE();
return 0;
}

6
drivers/video/drm/i915/intel_ringbuffer.c
View File

@ -141,7 +141,6 @@ u32 intel_ring_get_active_head(struct intel_ring_buffer *ring)
return I915_READ(acthd_reg);
}
static int init_ring_common(struct intel_ring_buffer *ring)
{
drm_i915_private_t *dev_priv = ring->dev->dev_private;
@ -295,7 +294,6 @@ static int init_render_ring(struct intel_ring_buffer *ring)
int ret = init_ring_common(ring);
if (INTEL_INFO(dev)->gen > 3) {
int mode = VS_TIMER_DISPATCH << 16 | VS_TIMER_DISPATCH;
if (IS_GEN6(dev) || IS_GEN7(dev))
@ -1369,7 +1367,3 @@ int intel_init_blt_ring_buffer(struct drm_device *dev)
return intel_init_ring_buffer(dev, ring);
}

610
drivers/video/drm/i915/kms_display.c Normal file
View File

@ -0,0 +1,610 @@
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
#include "intel_drv.h"
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <errno-base.h>
#include <linux/pci.h>
#include <syscall.h>
typedef struct tag_object kobj_t;
typedef struct tag_display display_t;
struct tag_object
{
uint32_t magic;
void *destroy;
kobj_t *fd;
kobj_t *bk;
uint32_t pid;
};
typedef struct
{
kobj_t header;
uint32_t *data;
uint32_t hot_x;
uint32_t hot_y;
struct list_head list;
struct drm_i915_gem_object *cobj;
}cursor_t;
#define CURSOR_WIDTH 64
#define CURSOR_HEIGHT 64
struct tag_display
{
int x;
int y;
int width;
int height;
int bpp;
int vrefresh;
int pitch;
int lfb;
int supported_modes;
struct drm_device *ddev;
struct drm_connector *connector;
struct drm_crtc *crtc;
struct list_head cursors;
cursor_t *cursor;
int (*init_cursor)(cursor_t*);
cursor_t* (__stdcall *select_cursor)(cursor_t*);
void (*show_cursor)(int show);
void (__stdcall *move_cursor)(cursor_t *cursor, int x, int y);
void (__stdcall *restore_cursor)(int x, int y);
void (*disable_mouse)(void);
};
static display_t *os_display;
int init_cursor(cursor_t *cursor);
static cursor_t* __stdcall select_cursor_kms(cursor_t *cursor);
static void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y);
void __stdcall restore_cursor(int x, int y)
{};
void disable_mouse(void)
{};
static int count_connector_modes(struct drm_connector* connector)
{
struct drm_display_mode *mode;
int count = 0;
list_for_each_entry(mode, &connector->modes, head)
{
count++;
};
return count;
};
int init_display_kms(struct drm_device *dev)
{
struct drm_connector *connector;
struct drm_connector_helper_funcs *connector_funcs;
struct drm_encoder *encoder;
struct drm_crtc *crtc = NULL;
struct drm_framebuffer *fb;
cursor_t *cursor;
u32_t ifl;
ENTER();
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
{
if( connector->status != connector_status_connected)
continue;
connector_funcs = connector->helper_private;
encoder = connector_funcs->best_encoder(connector);
if( encoder == NULL)
{
dbgprintf("CONNECTOR %x ID: %d no active encoders\n",
connector, connector->base.id);
continue;
}
connector->encoder = encoder;
dbgprintf("CONNECTOR %x ID: %d status %d encoder %x\n crtc %x\n",
connector, connector->base.id,
connector->status, connector->encoder,
encoder->crtc);
crtc = encoder->crtc;
break;
};
if(connector == NULL)
{
dbgprintf("No active connectors!\n");
return -1;
};
if(crtc == NULL)
{
struct drm_crtc *tmp_crtc;
int crtc_mask = 1;
list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head)
{
if (encoder->possible_crtcs & crtc_mask)
{
crtc = tmp_crtc;
encoder->crtc = crtc;
break;
};
crtc_mask <<= 1;
};
};
if(crtc == NULL)
{
dbgprintf("No CRTC for encoder %d\n", encoder->base.id);
return -1;
};
DRM_DEBUG_KMS("[Select CRTC:%d]\n", crtc->base.id);
os_display = GetDisplay();
os_display->ddev = dev;
os_display->connector = connector;
os_display->crtc = crtc;
os_display->supported_modes = count_connector_modes(connector);
ifl = safe_cli();
{
struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);
list_for_each_entry(cursor, &os_display->cursors, list)
{
init_cursor(cursor);
};
os_display->restore_cursor(0,0);
os_display->init_cursor = init_cursor;
os_display->select_cursor = select_cursor_kms;
os_display->show_cursor = NULL;
os_display->move_cursor = move_cursor_kms;
os_display->restore_cursor = restore_cursor;
os_display->disable_mouse = disable_mouse;
intel_crtc->cursor_x = os_display->width/2;
intel_crtc->cursor_y = os_display->height/2;
select_cursor_kms(os_display->cursor);
};
safe_sti(ifl);
LEAVE();
return 0;
};
bool set_mode(struct drm_device *dev, struct drm_connector *connector,
videomode_t *reqmode, bool strict)
{
struct drm_display_mode *mode = NULL, *tmpmode;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_fb_helper *fb_helper = &dev_priv->fbdev->helper;
bool ret = false;
ENTER();
dbgprintf("width %d height %d vrefresh %d\n",
reqmode->width, reqmode->height, reqmode->freq);
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == reqmode->width) &&
(drm_mode_height(tmpmode) == reqmode->height) &&
(drm_mode_vrefresh(tmpmode) == reqmode->freq) )
{
mode = tmpmode;
goto do_set;
}
};
if( (mode == NULL) && (strict == false) )
{
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == reqmode->width) &&
(drm_mode_height(tmpmode) == reqmode->height) )
{
mode = tmpmode;
goto do_set;
}
};
};
do_set:
if( mode != NULL )
{
struct drm_framebuffer *fb;
struct drm_encoder *encoder;
struct drm_crtc *crtc;
char *con_name;
char *enc_name;
encoder = connector->encoder;
crtc = encoder->crtc;
con_name = drm_get_connector_name(connector);
enc_name = drm_get_encoder_name(encoder);
dbgprintf("set mode %d %d connector %s encoder %s\n",
reqmode->width, reqmode->height, con_name, enc_name);
fb = fb_helper->fb;
fb->width = reqmode->width;
fb->height = reqmode->height;
fb->pitch = ALIGN(reqmode->width * 4, 64);
fb->bits_per_pixel = 32;
fb->depth == 24;
crtc->fb = fb;
crtc->enabled = true;
os_display->crtc = crtc;
ret = drm_crtc_helper_set_mode(crtc, mode, 0, 0, fb);
// select_cursor_kms(rdisplay->cursor);
// radeon_show_cursor_kms(crtc);
if (ret == true)
{
os_display->width = fb->width;
os_display->height = fb->height;
os_display->pitch = fb->pitch;
os_display->vrefresh = drm_mode_vrefresh(mode);
sysSetScreen(fb->width, fb->height, fb->pitch);
dbgprintf("new mode %d x %d pitch %d\n",
fb->width, fb->height, fb->pitch);
}
else
DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
fb->width, fb->height, crtc);
}
LEAVE();
return ret;
};
int get_videomodes(videomode_t *mode, int *count)
{
int err = -1;
ENTER();
dbgprintf("mode %x count %d\n", mode, *count);
if( *count == 0 )
{
*count = os_display->supported_modes;
err = 0;
}
else if( mode != NULL )
{
struct drm_display_mode *drmmode;
int i = 0;
if( *count > os_display->supported_modes)
*count = os_display->supported_modes;
list_for_each_entry(drmmode, &os_display->connector->modes, head)
{
if( i < *count)
{
mode->width = drm_mode_width(drmmode);
mode->height = drm_mode_height(drmmode);
mode->bpp = 32;
mode->freq = drm_mode_vrefresh(drmmode);
i++;
mode++;
}
else break;
};
*count = i;
err = 0;
};
LEAVE();
return err;
};
int set_user_mode(videomode_t *mode)
{
int err = -1;
ENTER();
dbgprintf("width %d height %d vrefresh %d\n",
mode->width, mode->height, mode->freq);
if( (mode->width != 0) &&
(mode->height != 0) &&
(mode->freq != 0 ) &&
( (mode->width != os_display->width) ||
(mode->height != os_display->height) ||
(mode->freq != os_display->vrefresh) ) )
{
if( set_mode(os_display->ddev, os_display->connector, mode, true) )
err = 0;
};
LEAVE();
return err;
};
void __attribute__((regparm(1))) destroy_cursor(cursor_t *cursor)
{
list_del(&cursor->list);
// radeon_bo_unpin(cursor->robj);
// KernelFree(cursor->data);
__DestroyObject(cursor);
};
int init_cursor(cursor_t *cursor)
{
struct drm_i915_private *dev_priv = os_display->ddev->dev_private;
struct drm_i915_gem_object *obj;
uint32_t *bits;
uint32_t *src;
int i,j;
int ret;
ENTER();
if (dev_priv->info->cursor_needs_physical)
{
bits = (uint32_t*)KernelAlloc(CURSOR_WIDTH*CURSOR_HEIGHT*4);
if (unlikely(bits == NULL))
return ENOMEM;
cursor->cobj = (struct drm_i915_gem_object *)GetPgAddr(bits);
}
else
{
obj = i915_gem_alloc_object(os_display->ddev, CURSOR_WIDTH*CURSOR_HEIGHT*4);
if (unlikely(obj == NULL))
return -ENOMEM;
ret = i915_gem_object_pin(obj, CURSOR_WIDTH*CURSOR_HEIGHT*4, true);
if (ret) {
// drm_gem_object_unreference(&obj->base);
return ret;
}
/* You don't need to worry about fragmentation issues.
* GTT space is continuous. I guarantee it. */
bits = (u32*)MapIoMem(get_bus_addr() + obj->gtt_offset,
CURSOR_WIDTH*CURSOR_HEIGHT*4, PG_SW);
if (unlikely(bits == NULL))
{
// i915_gem_object_unpin(obj);
// drm_gem_object_unreference(&obj->base);
return -ENOMEM;
};
cursor->cobj = obj;
};
src = cursor->data;
for(i = 0; i < 32; i++)
{
for(j = 0; j < 32; j++)
*bits++ = *src++;
for(j = 32; j < CURSOR_WIDTH; j++)
*bits++ = 0;
}
for(i = 0; i < CURSOR_WIDTH*(CURSOR_HEIGHT-32); i++)
*bits++ = 0;
// release old cursor
// KernelFree(cursor->data);
cursor->data = bits;
cursor->header.destroy = destroy_cursor;
LEAVE();
return 0;
}
static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
bool visible = base != 0;
if (intel_crtc->cursor_visible != visible) {
uint32_t cntl = I915_READ(CURCNTR(pipe));
if (base) {
cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
cntl |= pipe << 28; /* Connect to correct pipe */
} else {
cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
cntl |= CURSOR_MODE_DISABLE;
}
I915_WRITE(CURCNTR(pipe), cntl);
intel_crtc->cursor_visible = visible;
}
/* and commit changes on next vblank */
I915_WRITE(CURBASE(pipe), base);
}
void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y)
{
struct drm_i915_private *dev_priv = os_display->ddev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);
u32 base, pos;
bool visible;
int pipe = intel_crtc->pipe;
intel_crtc->cursor_x = x;
intel_crtc->cursor_y = y;
x = x - cursor->hot_x;
y = y - cursor->hot_y;
pos = 0;
base = intel_crtc->cursor_addr;
if (x >= os_display->width)
base = 0;
if (y >= os_display->height)
base = 0;
if (x < 0)
{
if (x + intel_crtc->cursor_width < 0)
base = 0;
pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
x = -x;
}
pos |= x << CURSOR_X_SHIFT;
if (y < 0)
{
if (y + intel_crtc->cursor_height < 0)
base = 0;
pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
y = -y;
}
pos |= y << CURSOR_Y_SHIFT;
visible = base != 0;
if (!visible && !intel_crtc->cursor_visible)
return;
I915_WRITE(CURPOS(pipe), pos);
// if (IS_845G(dev) || IS_I865G(dev))
// i845_update_cursor(crtc, base);
// else
i9xx_update_cursor(os_display->crtc, base);
};
cursor_t* __stdcall select_cursor_kms(cursor_t *cursor)
{
struct drm_i915_private *dev_priv = os_display->ddev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);
cursor_t *old;
old = os_display->cursor;
os_display->cursor = cursor;
if (!dev_priv->info->cursor_needs_physical)
intel_crtc->cursor_addr = cursor->cobj->gtt_offset;
else
intel_crtc->cursor_addr = cursor->cobj;
intel_crtc->cursor_width = 32;
intel_crtc->cursor_height = 32;
move_cursor_kms(cursor, intel_crtc->cursor_x, intel_crtc->cursor_y);
return old;
};
#if 0
static void intel_crtc_update_cursor(struct drm_crtc *crtc,
bool on)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
int x = intel_crtc->cursor_x;
int y = intel_crtc->cursor_y;
u32 base, pos;
bool visible;
pos = 0;
if (on && crtc->enabled && crtc->fb) {
base = intel_crtc->cursor_addr;
if (x > (int) crtc->fb->width)
base = 0;
if (y > (int) crtc->fb->height)
base = 0;
} else
base = 0;
if (x < 0) {
if (x + intel_crtc->cursor_width < 0)
base = 0;
pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
x = -x;
}
pos |= x << CURSOR_X_SHIFT;
if (y < 0) {
if (y + intel_crtc->cursor_height < 0)
base = 0;
pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
y = -y;
}
pos |= y << CURSOR_Y_SHIFT;
visible = base != 0;
if (!visible && !intel_crtc->cursor_visible)
return;
I915_WRITE(CURPOS(pipe), pos);
if (IS_845G(dev) || IS_I865G(dev))
i845_update_cursor(crtc, base);
else
i9xx_update_cursor(crtc, base);
if (visible)
intel_mark_busy(dev, to_intel_framebuffer(crtc->fb)->obj);
}
#endif

98
drivers/video/drm/i915/main.c
View File

@ -1,3 +1,10 @@
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
#include "intel_drv.h"
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
@ -5,10 +12,13 @@
#include <linux/pci.h>
#include <syscall.h>
int _stdcall display_handler(ioctl_t *io);
int init_agp(void);
static char log[256];
int i915_modeset = 1;
u32_t drvEntry(int action, char *cmdline)
{
struct pci_device_id *ent;
@ -40,16 +50,96 @@ u32_t drvEntry(int action, char *cmdline)
err = i915_init();
// rdev = rdisplay->ddev->dev_private;
if(err)
{
dbgprintf("Epic Fail :(/n");
// err = RegService("DISPLAY", display_handler);
};
// if( err != 0)
// dbgprintf("Set DISPLAY handler\n");
err = RegService("DISPLAY", display_handler);
if( err != 0)
dbgprintf("Set DISPLAY handler\n");
return err;
};
#define API_VERSION 0x01000100
#define SRV_GETVERSION 0
#define SRV_ENUM_MODES 1
#define SRV_SET_MODE 2
#define SRV_CREATE_VIDEO 9
#define SRV_BLIT_VIDEO 10
#define SRV_CREATE_BITMAP 11
#define check_input(size) \
if( unlikely((inp==NULL)||(io->inp_size != (size))) ) \
break;
#define check_output(size) \
if( unlikely((outp==NULL)||(io->out_size != (size))) ) \
break;
int _stdcall display_handler(ioctl_t *io)
{
int retval = -1;
u32_t *inp;
u32_t *outp;
inp = io->input;
outp = io->output;
switch(io->io_code)
{
case SRV_GETVERSION:
check_output(4);
*outp = API_VERSION;
retval = 0;
break;
case SRV_ENUM_MODES:
dbgprintf("SRV_ENUM_MODES inp %x inp_size %x out_size %x\n",
inp, io->inp_size, io->out_size );
// check_output(4);
// check_input(*outp * sizeof(videomode_t));
if( i915_modeset)
retval = get_videomodes((videomode_t*)inp, outp);
break;
case SRV_SET_MODE:
dbgprintf("SRV_SET_MODE inp %x inp_size %x\n",
inp, io->inp_size);
check_input(sizeof(videomode_t));
if( i915_modeset )
retval = set_user_mode((videomode_t*)inp);
break;
/*
case SRV_CREATE_VIDEO:
retval = r600_create_video(inp[0], inp[1], outp);
break;
case SRV_BLIT_VIDEO:
r600_video_blit( ((uint64_t*)inp)[0], inp[2], inp[3],
inp[4], inp[5], inp[6]);
retval = 0;
break;
case SRV_CREATE_BITMAP:
check_input(8);
check_output(4);
retval = create_bitmap(outp, inp[0], inp[1]);
break;
*/
};
return retval;
}
#define PCI_CLASS_REVISION 0x08
#define PCI_CLASS_DISPLAY_VGA 0x0300
#define PCI_CLASS_BRIDGE_HOST 0x0600