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xserver/hw/xfree86/glamor/glamor_crtc.c

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/*
* Copyright © 2007 Red Hat, Inc.
* Copyright © 2010 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including
* the next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Dave Airlie <airlied@redhat.com>
*
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <poll.h>
#include <stdint.h>
#include <X11/Xdefs.h>
#include <X11/Xatom.h>
#include <X11/extensions/dpmsconst.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <xf86Crtc.h>
#include <xf86DDC.h>
#include <xorgVersion.h>
#include <libkms/libkms.h>
#define GL_GLEXT_PROTOTYPES
#define EGL_EGLEXT_PROTOTYPES
#define EGL_DISPLAY_NO_X_MESA
#include <GL/gl.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "glamor_ddx.h"
typedef struct {
int fd;
uint32_t fb_id;
drmModeResPtr mode_res;
int cpp;
drmEventContext event_context;
void *event_data;
int old_fb_id;
int flip_count;
} drmmode_rec, *drmmode_ptr;
typedef struct {
drmmode_ptr drmmode;
drmModeCrtcPtr mode_crtc;
uint32_t rotate_fb_id;
EGLImageKHR cursor;
unsigned int cursor_tex;
} drmmode_crtc_private_rec, *drmmode_crtc_private_ptr;
typedef struct {
drmModePropertyPtr mode_prop;
uint64_t value;
int num_atoms; /* if range prop, num_atoms == 1; if enum prop, num_atoms == num_enums + 1 */
Atom *atoms;
} drmmode_prop_rec, *drmmode_prop_ptr;
struct fixed_panel_lvds {
int hdisplay;
int vdisplay;
};
typedef struct {
drmmode_ptr drmmode;
int output_id;
drmModeConnectorPtr mode_output;
drmModeEncoderPtr mode_encoder;
drmModePropertyBlobPtr edid_blob;
int num_props;
drmmode_prop_ptr props;
void *private_data;
int dpms_mode;
char *backlight_iface;
int backlight_active_level;
int backlight_max;
} drmmode_output_private_rec, *drmmode_output_private_ptr;
static void
drmmode_output_dpms(xf86OutputPtr output, int mode);
static Bool
drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width, int height);
#define BACKLIGHT_CLASS "/sys/class/backlight"
/*
* List of available kernel interfaces in priority order
*/
static char *backlight_interfaces[] = {
"asus-laptop",
"eeepc",
"thinkpad_screen",
"acpi_video1",
"acpi_video0",
"fujitsu-laptop",
"sony",
"samsung",
NULL,
};
/*
* Must be long enough for BACKLIGHT_CLASS + '/' + longest in above table +
* '/' + "max_backlight"
*/
#define BACKLIGHT_PATH_LEN 80
/* Enough for 10 digits of backlight + '\n' + '\0' */
#define BACKLIGHT_VALUE_LEN 12
static void
drmmode_backlight_set(xf86OutputPtr output, int level)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
char path[BACKLIGHT_PATH_LEN], val[BACKLIGHT_VALUE_LEN];
int fd, len, ret;
if (level > drmmode_output->backlight_max)
level = drmmode_output->backlight_max;
if (! drmmode_output->backlight_iface || level < 0)
return;
len = snprintf(val, BACKLIGHT_VALUE_LEN, "%d\n", level);
sprintf(path, "%s/%s/brightness",
BACKLIGHT_CLASS, drmmode_output->backlight_iface);
fd = open(path, O_RDWR);
if (fd == -1) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "failed to open %s for backlight "
"control: %s\n", path, strerror(errno));
return;
}
ret = write(fd, val, len);
if (ret == -1) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "write to %s for backlight "
"control failed: %s\n", path, strerror(errno));
}
close(fd);
}
static int
drmmode_backlight_get(xf86OutputPtr output)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
char path[BACKLIGHT_PATH_LEN], val[BACKLIGHT_VALUE_LEN];
int fd, level;
if (! drmmode_output->backlight_iface)
return -1;
sprintf(path, "%s/%s/actual_brightness",
BACKLIGHT_CLASS, drmmode_output->backlight_iface);
fd = open(path, O_RDONLY);
if (fd == -1) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "failed to open %s "
"for backlight control: %s\n", path, strerror(errno));
return -1;
}
memset(val, 0, sizeof(val));
if (read(fd, val, BACKLIGHT_VALUE_LEN) == -1) {
close(fd);
return -1;
}
close(fd);
level = atoi(val);
if (level > drmmode_output->backlight_max)
level = drmmode_output->backlight_max;
if (level < 0)
level = -1;
return level;
}
static int
drmmode_backlight_get_max(xf86OutputPtr output)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
char path[BACKLIGHT_PATH_LEN], val[BACKLIGHT_VALUE_LEN];
int fd, max = 0;
sprintf(path, "%s/%s/max_brightness",
BACKLIGHT_CLASS, drmmode_output->backlight_iface);
fd = open(path, O_RDONLY);
if (fd == -1) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, "failed to open %s "
"for backlight control: %s\n", path, strerror(errno));
return 0;
}
memset(val, 0, sizeof(val));
if (read(fd, val, BACKLIGHT_VALUE_LEN) == -1) {
close(fd);
return -1;
}
close(fd);
max = atoi(val);
if (max <= 0)
max = -1;
return max;
}
static void
drmmode_backlight_init(xf86OutputPtr output)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
char path[BACKLIGHT_PATH_LEN];
struct stat buf;
int i;
for (i = 0; backlight_interfaces[i] != NULL; i++) {
sprintf(path, "%s/%s", BACKLIGHT_CLASS, backlight_interfaces[i]);
if (!stat(path, &buf)) {
drmmode_output->backlight_iface = backlight_interfaces[i];
xf86DrvMsg(output->scrn->scrnIndex, X_INFO,
"found backlight control interface %s\n", path);
drmmode_output->backlight_max = drmmode_backlight_get_max(output);
drmmode_output->backlight_active_level = drmmode_backlight_get(output);
return;
}
}
drmmode_output->backlight_iface = NULL;
}
static void
drmmode_ConvertFromKMode(ScrnInfoPtr scrn,
drmModeModeInfoPtr kmode,
DisplayModePtr mode)
{
memset(mode, 0, sizeof(DisplayModeRec));
mode->status = MODE_OK;
mode->Clock = kmode->clock;
mode->HDisplay = kmode->hdisplay;
mode->HSyncStart = kmode->hsync_start;
mode->HSyncEnd = kmode->hsync_end;
mode->HTotal = kmode->htotal;
mode->HSkew = kmode->hskew;
mode->VDisplay = kmode->vdisplay;
mode->VSyncStart = kmode->vsync_start;
mode->VSyncEnd = kmode->vsync_end;
mode->VTotal = kmode->vtotal;
mode->VScan = kmode->vscan;
mode->Flags = kmode->flags; //& FLAG_BITS;
mode->name = strdup(kmode->name);
if (kmode->type & DRM_MODE_TYPE_DRIVER)
mode->type = M_T_DRIVER;
if (kmode->type & DRM_MODE_TYPE_PREFERRED)
mode->type |= M_T_PREFERRED;
xf86SetModeCrtc (mode, scrn->adjustFlags);
}
static void
drmmode_ConvertToKMode(ScrnInfoPtr scrn,
drmModeModeInfoPtr kmode,
DisplayModePtr mode)
{
memset(kmode, 0, sizeof(*kmode));
kmode->clock = mode->Clock;
kmode->hdisplay = mode->HDisplay;
kmode->hsync_start = mode->HSyncStart;
kmode->hsync_end = mode->HSyncEnd;
kmode->htotal = mode->HTotal;
kmode->hskew = mode->HSkew;
kmode->vdisplay = mode->VDisplay;
kmode->vsync_start = mode->VSyncStart;
kmode->vsync_end = mode->VSyncEnd;
kmode->vtotal = mode->VTotal;
kmode->vscan = mode->VScan;
kmode->flags = mode->Flags; //& FLAG_BITS;
if (mode->name)
strncpy(kmode->name, mode->name, DRM_DISPLAY_MODE_LEN);
kmode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
}
static void
drmmode_crtc_dpms(xf86CrtcPtr drmmode_crtc, int mode)
{
}
static Bool
drmmode_update_fb (ScrnInfoPtr scrn, int width, int height)
{
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
drmmode_crtc_private_ptr
drmmode_crtc = xf86_config->crtc[0]->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
uint32_t handle, pitch;
int ret;
if (drmmode->fb_id != 0 &&
scrn->virtualX == width && scrn->virtualY == height)
return TRUE;
if (!glamor_resize(scrn, width, height))
return FALSE;
if (drmmode->fb_id != 0)
drmModeRmFB(drmmode->fd, drmmode->fb_id);
glamor_frontbuffer_handle(scrn, &handle, &pitch);
ret = drmModeAddFB(drmmode->fd, width, height, scrn->depth,
scrn->bitsPerPixel, pitch /** drmmode->cpp*/,
handle, &drmmode->fb_id);
if (ret)
/* FIXME: Undo glamor_resize() */
return FALSE;
return TRUE;
}
static Bool
drmmode_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y)
{
ScrnInfoPtr scrn = crtc->scrn;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
int saved_x, saved_y;
Rotation saved_rotation;
DisplayModeRec saved_mode;
uint32_t *output_ids;
int output_count = 0;
int ret = TRUE;
int i;
int fb_id;
drmModeModeInfo kmode;
if (!drmmode_update_fb(scrn, scrn->virtualX, scrn->virtualY))
return FALSE;
saved_mode = crtc->mode;
saved_x = crtc->x;
saved_y = crtc->y;
saved_rotation = crtc->rotation;
crtc->mode = *mode;
crtc->x = x;
crtc->y = y;
crtc->rotation = rotation;
output_ids = calloc(sizeof(uint32_t), xf86_config->num_output);
if (!output_ids) {
ret = FALSE;
goto done;
}
for (i = 0; i < xf86_config->num_output; i++) {
xf86OutputPtr output = xf86_config->output[i];
drmmode_output_private_ptr drmmode_output;
if (output->crtc != crtc)
continue;
drmmode_output = output->driver_private;
output_ids[output_count] =
drmmode_output->mode_output->connector_id;
output_count++;
}
#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(1,5,99,0,0)
if (!xf86CrtcRotate(crtc, mode, rotation))
goto done;
#else
if (!xf86CrtcRotate(crtc))
goto done;
#endif
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,7,0,0,0)
crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green,
crtc->gamma_blue, crtc->gamma_size);
#endif
drmmode_ConvertToKMode(crtc->scrn, &kmode, mode);
fb_id = drmmode->fb_id;
if (drmmode_crtc->rotate_fb_id) {
fb_id = drmmode_crtc->rotate_fb_id;
x = 0;
y = 0;
}
ret = drmModeSetCrtc(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id,
fb_id, x, y, output_ids, output_count, &kmode);
if (ret)
xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
"failed to set mode: %s", strerror(-ret));
else
ret = TRUE;
/* Turn on any outputs on this crtc that may have been disabled */
for (i = 0; i < xf86_config->num_output; i++) {
xf86OutputPtr output = xf86_config->output[i];
if (output->crtc != crtc)
continue;
drmmode_output_dpms(output, DPMSModeOn);
}
if (scrn->pScreen)
xf86_reload_cursors(scrn->pScreen);
done:
if (!ret) {
crtc->x = saved_x;
crtc->y = saved_y;
crtc->rotation = saved_rotation;
crtc->mode = saved_mode;
}
return ret;
}
static void
drmmode_set_cursor_colors (xf86CrtcPtr crtc, int bg, int fg)
{
}
static void
drmmode_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
{
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
ErrorF("move cursor\n");
drmModeMoveCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, x, y);
}
static void
drmmode_load_cursor_argb (xf86CrtcPtr crtc, CARD32 *image)
{
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
ScrnInfoPtr scrn = crtc->scrn;
if (drmmode_crtc->cursor == NULL)
{
drmmode_crtc->cursor = glamor_create_cursor_argb(scrn, 64, 64);
if (drmmode_crtc->cursor == EGL_NO_IMAGE_KHR)
return;
glGenTextures(1, &drmmode_crtc->cursor_tex);
glBindTexture(GL_TEXTURE_2D, drmmode_crtc->cursor_tex);
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, drmmode_crtc->cursor);
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, 64);
glBindTexture(GL_TEXTURE_2D, drmmode_crtc->cursor_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 64, 64, 0,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, image);
}
static void
drmmode_hide_cursor (xf86CrtcPtr crtc)
{
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id,
0, 64, 64);
}
static void
drmmode_show_cursor (xf86CrtcPtr crtc)
{
ScrnInfoPtr scrn = crtc->scrn;
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
uint32_t handle, stride;
ErrorF("show cursor\n");
glamor_cursor_handle(scrn, drmmode_crtc->cursor, &handle, &stride);
drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id,
handle, 64, 64);
}
#if 0
static void *
drmmode_crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
{
ScrnInfoPtr scrn = crtc->scrn;
intel_screen_private *intel = intel_get_screen_private(scrn);
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
int size, ret;
unsigned long rotate_pitch;
width = i830_pad_drawable_width(width, drmmode->cpp);
rotate_pitch = width * drmmode->cpp;
size = rotate_pitch * height;
drmmode_crtc->rotate_bo =
drm_intel_bo_alloc(intel->bufmgr, "rotate", size, 4096);
if (!drmmode_crtc->rotate_bo) {
xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
"Couldn't allocate shadow memory for rotated CRTC\n");
return NULL;
}
drm_intel_bo_disable_reuse(drmmode_crtc->rotate_bo);
ret = drmModeAddFB(drmmode->fd, width, height, crtc->scrn->depth,
crtc->scrn->bitsPerPixel, rotate_pitch,
drmmode_crtc->rotate_bo->handle,
&drmmode_crtc->rotate_fb_id);
if (ret) {
ErrorF("failed to add rotate fb\n");
drm_intel_bo_unreference(drmmode_crtc->rotate_bo);
return NULL;
}
return drmmode_crtc->rotate_bo;
}
static PixmapPtr
drmmode_crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
{
ScrnInfoPtr scrn = crtc->scrn;
intel_screen_private *intel = intel_get_screen_private(scrn);
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
unsigned long rotate_pitch;
PixmapPtr rotate_pixmap;
if (!data) {
data = drmmode_crtc_shadow_allocate (crtc, width, height);
if (!data) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Couldn't allocate shadow pixmap for rotated CRTC\n");
return NULL;
}
}
rotate_pitch =
i830_pad_drawable_width(width, drmmode->cpp) * drmmode->cpp;
rotate_pixmap = GetScratchPixmapHeader(scrn->pScreen,
width, height,
scrn->depth,
scrn->bitsPerPixel,
rotate_pitch,
NULL);
if (rotate_pixmap == NULL) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Couldn't allocate shadow pixmap for rotated CRTC\n");
return NULL;
}
if (drmmode_crtc->rotate_bo)
i830_set_pixmap_bo(rotate_pixmap, drmmode_crtc->rotate_bo);
intel->shadow_present = TRUE;
return rotate_pixmap;
}
static void
drmmode_crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
{
}
#endif
static void
drmmode_crtc_gamma_set(xf86CrtcPtr crtc,
CARD16 *red, CARD16 *green, CARD16 *blue, int size)
{
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
drmModeCrtcSetGamma(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id,
size, red, green, blue);
}
static const xf86CrtcFuncsRec drmmode_crtc_funcs = {
.dpms = drmmode_crtc_dpms,
.set_mode_major = drmmode_set_mode_major,
.set_cursor_colors = drmmode_set_cursor_colors,
.set_cursor_position = drmmode_set_cursor_position,
.show_cursor = drmmode_show_cursor,
.hide_cursor = drmmode_hide_cursor,
.load_cursor_argb = drmmode_load_cursor_argb,
.load_cursor_image = NULL,
#if 0
.shadow_create = drmmode_crtc_shadow_create,
.shadow_allocate = drmmode_crtc_shadow_allocate,
.shadow_destroy = drmmode_crtc_shadow_destroy,
#endif
.gamma_set = drmmode_crtc_gamma_set,
.destroy = NULL, /* XXX */
};
static void
drmmode_crtc_init(ScrnInfoPtr scrn, drmmode_ptr drmmode, int num)
{
xf86CrtcPtr crtc;
drmmode_crtc_private_ptr drmmode_crtc;
crtc = xf86CrtcCreate(scrn, &drmmode_crtc_funcs);
if (crtc == NULL)
return;
drmmode_crtc = xnfcalloc(sizeof(drmmode_crtc_private_rec), 1);
drmmode_crtc->mode_crtc = drmModeGetCrtc(drmmode->fd,
drmmode->mode_res->crtcs[num]);
drmmode_crtc->drmmode = drmmode;
crtc->driver_private = drmmode_crtc;
return;
}
static xf86OutputStatus
drmmode_output_detect(xf86OutputPtr output)
{
/* go to the hw and retrieve a new output struct */
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmmode_ptr drmmode = drmmode_output->drmmode;
xf86OutputStatus status;
drmModeFreeConnector(drmmode_output->mode_output);
drmmode_output->mode_output =
drmModeGetConnector(drmmode->fd, drmmode_output->output_id);
switch (drmmode_output->mode_output->connection) {
case DRM_MODE_CONNECTED:
status = XF86OutputStatusConnected;
break;
case DRM_MODE_DISCONNECTED:
status = XF86OutputStatusDisconnected;
break;
default:
case DRM_MODE_UNKNOWNCONNECTION:
status = XF86OutputStatusUnknown;
break;
}
return status;
}
static Bool
drmmode_output_mode_valid(xf86OutputPtr output, DisplayModePtr pModes)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr koutput = drmmode_output->mode_output;
struct fixed_panel_lvds *p_lvds = drmmode_output->private_data;
/*
* If the connector type is LVDS, we will use the panel limit to
* verfiy whether the mode is valid.
*/
if ((koutput->connector_type == DRM_MODE_CONNECTOR_LVDS) && p_lvds) {
if (pModes->HDisplay > p_lvds->hdisplay ||
pModes->VDisplay > p_lvds->vdisplay)
return MODE_PANEL;
else
return MODE_OK;
}
return MODE_OK;
}
static void fill_detailed_lvds_block(struct detailed_monitor_section *det_mon,
DisplayModePtr mode)
{
struct detailed_timings *timing = &det_mon->section.d_timings;
det_mon->type = DT;
timing->clock = mode->Clock * 1000;
timing->h_active = mode->HDisplay;
timing->h_blanking = mode->HTotal - mode->HDisplay;
timing->v_active = mode->VDisplay;
timing->v_blanking = mode->VTotal - mode->VDisplay;
timing->h_sync_off = mode->HSyncStart - mode->HDisplay;
timing->h_sync_width = mode->HSyncEnd - mode->HSyncStart;
timing->v_sync_off = mode->VSyncStart - mode->VDisplay;
timing->v_sync_width = mode->VSyncEnd - mode->VSyncStart;
if (mode->Flags & V_PVSYNC)
timing->misc |= 0x02;
if (mode->Flags & V_PHSYNC)
timing->misc |= 0x01;
}
static int drmmode_output_lvds_edid(xf86OutputPtr output,
struct fixed_panel_lvds *p_lvds)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr koutput = drmmode_output->mode_output;
int i, j;
DisplayModePtr pmode;
xf86MonPtr edid_mon;
drmModeModeInfo *mode_ptr;
struct detailed_monitor_section *det_mon;
if (output->MonInfo) {
/*
* If there exists the EDID, we will either find a DS_RANGES
* or replace a DS_VENDOR block, smashing it into a DS_RANGES
* block with opern refresh to match all the default modes.
*/
int edid_det_block_num;
edid_mon = output->MonInfo;
edid_mon->features.msc |= 0x01;
j = -1;
edid_det_block_num = sizeof(edid_mon->det_mon) /
sizeof(edid_mon->det_mon[0]);
for (i = 0; i < edid_det_block_num; i++) {
if (edid_mon->det_mon[i].type >= DS_VENDOR && j == -1)
j = i;
if (edid_mon->det_mon[i].type == DS_RANGES) {
j = i;
break;
}
}
if (j != -1) {
struct monitor_ranges *ranges =
&edid_mon->det_mon[j].section.ranges;
edid_mon->det_mon[j].type = DS_RANGES;
ranges->min_v = 0;
ranges->max_v = 200;
ranges->min_h = 0;
ranges->max_h = 200;
}
return 0;
}
/*
* If there is no EDID, we will construct a bogus EDID for LVDS output
* device. This is similar to what we have done in i830_lvds.c
*/
edid_mon = NULL;
edid_mon = calloc(1, sizeof(xf86Monitor));
if (!edid_mon) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"Can't allocate memory for edid_mon.\n");
return 0;
}
/* Find the fixed panel mode.
* In theory when there is no EDID, KMS kernel will return only one
* mode. And this can be regarded as fixed lvds panel mode.
* But it will be better to traverse the mode list to get the fixed
* lvds panel mode again as we don't know whether some new modes
* are added for the LVDS output device
*/
j = 0;
for (i = 0; i < koutput->count_modes; i++) {
mode_ptr = &koutput->modes[i];
if ((mode_ptr->hdisplay == p_lvds->hdisplay) &&
(mode_ptr->vdisplay == p_lvds->vdisplay)) {
/* find the fixed panel mode */
j = i;
break;
}
}
pmode = xnfalloc(sizeof(DisplayModeRec));
drmmode_ConvertFromKMode(output->scrn, &koutput->modes[j], pmode);
/*support DPM, instead of DPMS*/
edid_mon->features.dpms |= 0x1;
/*defaultly support RGB color display*/
edid_mon->features.display_type |= 0x1;
/*defaultly display support continuous-freqencey*/
edid_mon->features.msc |= 0x1;
/*defaultly the EDID version is 1.4 */
edid_mon->ver.version = 1;
edid_mon->ver.revision = 4;
det_mon = edid_mon->det_mon;
if (pmode) {
/* now we construct new EDID monitor,
* so filled one detailed timing block
*/
fill_detailed_lvds_block(det_mon, pmode);
/* the filed timing block should be set preferred*/
edid_mon->features.msc |= 0x2;
det_mon = det_mon + 1;
}
/* Set wide sync ranges so we get all modes
* handed to valid_mode for checking
*/
det_mon->type = DS_RANGES;
det_mon->section.ranges.min_v = 0;
det_mon->section.ranges.max_v = 200;
det_mon->section.ranges.min_h = 0;
det_mon->section.ranges.max_h = 200;
output->MonInfo = edid_mon;
return 0;
}
static DisplayModePtr
drmmode_output_get_modes(xf86OutputPtr output)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr koutput = drmmode_output->mode_output;
drmmode_ptr drmmode = drmmode_output->drmmode;
int i;
DisplayModePtr Modes = NULL, Mode;
drmModePropertyPtr props;
struct fixed_panel_lvds *p_lvds;
drmModeModeInfo *mode_ptr;
/* look for an EDID property */
for (i = 0; i < koutput->count_props; i++) {
props = drmModeGetProperty(drmmode->fd, koutput->props[i]);
if (!props)
continue;
if (!(props->flags & DRM_MODE_PROP_BLOB)) {
drmModeFreeProperty(props);
continue;
}
if (!strcmp(props->name, "EDID")) {
drmModeFreePropertyBlob(drmmode_output->edid_blob);
drmmode_output->edid_blob =
drmModeGetPropertyBlob(drmmode->fd,
koutput->prop_values[i]);
}
drmModeFreeProperty(props);
}
if (drmmode_output->edid_blob)
xf86OutputSetEDID(output,
xf86InterpretEDID(output->scrn->scrnIndex,
drmmode_output->edid_blob->data));
else
xf86OutputSetEDID(output,
xf86InterpretEDID(output->scrn->scrnIndex,
NULL));
/* modes should already be available */
for (i = 0; i < koutput->count_modes; i++) {
Mode = xnfalloc(sizeof(DisplayModeRec));
drmmode_ConvertFromKMode(output->scrn, &koutput->modes[i],
Mode);
Modes = xf86ModesAdd(Modes, Mode);
}
p_lvds = drmmode_output->private_data;
/*
* If the connector type is LVDS, we will traverse the kernel mode to
* get the panel limit.
* If it is incorrect, please fix me.
*/
if ((koutput->connector_type == DRM_MODE_CONNECTOR_LVDS) && p_lvds) {
p_lvds->hdisplay = 0;
p_lvds->vdisplay = 0;
for (i = 0; i < koutput->count_modes; i++) {
mode_ptr = &koutput->modes[i];
if ((mode_ptr->hdisplay >= p_lvds->hdisplay) &&
(mode_ptr->vdisplay >= p_lvds->vdisplay)) {
p_lvds->hdisplay = mode_ptr->hdisplay;
p_lvds->vdisplay = mode_ptr->vdisplay;
}
}
if (!p_lvds->hdisplay || !p_lvds->vdisplay)
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"Incorrect KMS mode.\n");
drmmode_output_lvds_edid(output, p_lvds);
}
return Modes;
}
static void
drmmode_output_destroy(xf86OutputPtr output)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
int i;
if (drmmode_output->edid_blob)
drmModeFreePropertyBlob(drmmode_output->edid_blob);
for (i = 0; i < drmmode_output->num_props; i++) {
drmModeFreeProperty(drmmode_output->props[i].mode_prop);
free(drmmode_output->props[i].atoms);
}
free(drmmode_output->props);
drmModeFreeConnector(drmmode_output->mode_output);
if (drmmode_output->private_data) {
free(drmmode_output->private_data);
drmmode_output->private_data = NULL;
}
if (drmmode_output->backlight_iface)
drmmode_backlight_set(output, drmmode_output->backlight_active_level);
free(drmmode_output);
output->driver_private = NULL;
}
static void
drmmode_output_dpms_backlight(xf86OutputPtr output, int oldmode, int mode)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
if (!drmmode_output->backlight_iface)
return;
if (mode == DPMSModeOn) {
/* If we're going from off->on we may need to turn on the backlight. */
if (oldmode != DPMSModeOn)
drmmode_backlight_set(output, drmmode_output->backlight_active_level);
} else {
/* Only save the current backlight value if we're going from on to off. */
if (oldmode == DPMSModeOn)
drmmode_output->backlight_active_level = drmmode_backlight_get(output);
drmmode_backlight_set(output, 0);
}
}
static void
drmmode_output_dpms(xf86OutputPtr output, int mode)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr koutput = drmmode_output->mode_output;
drmmode_ptr drmmode = drmmode_output->drmmode;
int i;
drmModePropertyPtr props;
for (i = 0; i < koutput->count_props; i++) {
props = drmModeGetProperty(drmmode->fd, koutput->props[i]);
if (!props)
continue;
if (!strcmp(props->name, "DPMS")) {
drmModeConnectorSetProperty(drmmode->fd,
drmmode_output->output_id,
props->prop_id,
mode);
drmmode_output_dpms_backlight(output,
drmmode_output->dpms_mode,
mode);
drmmode_output->dpms_mode = mode;
drmModeFreeProperty(props);
return;
}
drmModeFreeProperty(props);
}
}
static Bool
drmmode_property_ignore(drmModePropertyPtr prop)
{
if (!prop)
return TRUE;
/* ignore blob prop */
if (prop->flags & DRM_MODE_PROP_BLOB)
return TRUE;
/* ignore standard property */
if (!strcmp(prop->name, "EDID") ||
!strcmp(prop->name, "DPMS"))
return TRUE;
return FALSE;
}
#define BACKLIGHT_NAME "Backlight"
#define BACKLIGHT_DEPRECATED_NAME "BACKLIGHT"
static Atom backlight_atom, backlight_deprecated_atom;
static void
drmmode_output_create_resources(xf86OutputPtr output)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr mode_output = drmmode_output->mode_output;
drmmode_ptr drmmode = drmmode_output->drmmode;
drmModePropertyPtr drmmode_prop;
int i, j, err;
drmmode_output->props = calloc(mode_output->count_props, sizeof(drmmode_prop_rec));
if (!drmmode_output->props)
return;
drmmode_output->num_props = 0;
for (i = 0, j = 0; i < mode_output->count_props; i++) {
drmmode_prop = drmModeGetProperty(drmmode->fd, mode_output->props[i]);
if (drmmode_property_ignore(drmmode_prop)) {
drmModeFreeProperty(drmmode_prop);
continue;
}
drmmode_output->props[j].mode_prop = drmmode_prop;
drmmode_output->props[j].value = mode_output->prop_values[i];
drmmode_output->num_props++;
j++;
}
for (i = 0; i < drmmode_output->num_props; i++) {
drmmode_prop_ptr p = &drmmode_output->props[i];
drmmode_prop = p->mode_prop;
if (drmmode_prop->flags & DRM_MODE_PROP_RANGE) {
INT32 range[2];
p->num_atoms = 1;
p->atoms = calloc(p->num_atoms, sizeof(Atom));
if (!p->atoms)
continue;
p->atoms[0] = MakeAtom(drmmode_prop->name, strlen(drmmode_prop->name), TRUE);
range[0] = drmmode_prop->values[0];
range[1] = drmmode_prop->values[1];
err = RRConfigureOutputProperty(output->randr_output, p->atoms[0],
FALSE, TRUE,
drmmode_prop->flags & DRM_MODE_PROP_IMMUTABLE ? TRUE : FALSE,
2, range);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRConfigureOutputProperty error, %d\n", err);
}
err = RRChangeOutputProperty(output->randr_output, p->atoms[0],
XA_INTEGER, 32, PropModeReplace, 1, &p->value, FALSE, TRUE);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRChangeOutputProperty error, %d\n", err);
}
} else if (drmmode_prop->flags & DRM_MODE_PROP_ENUM) {
p->num_atoms = drmmode_prop->count_enums + 1;
p->atoms = calloc(p->num_atoms, sizeof(Atom));
if (!p->atoms)
continue;
p->atoms[0] = MakeAtom(drmmode_prop->name, strlen(drmmode_prop->name), TRUE);
for (j = 1; j <= drmmode_prop->count_enums; j++) {
struct drm_mode_property_enum *e = &drmmode_prop->enums[j-1];
p->atoms[j] = MakeAtom(e->name, strlen(e->name), TRUE);
}
err = RRConfigureOutputProperty(output->randr_output, p->atoms[0],
FALSE, FALSE,
drmmode_prop->flags & DRM_MODE_PROP_IMMUTABLE ? TRUE : FALSE,
p->num_atoms - 1, (INT32 *)&p->atoms[1]);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRConfigureOutputProperty error, %d\n", err);
}
for (j = 0; j < drmmode_prop->count_enums; j++)
if (drmmode_prop->enums[j].value == p->value)
break;
/* there's always a matching value */
err = RRChangeOutputProperty(output->randr_output, p->atoms[0],
XA_ATOM, 32, PropModeReplace, 1, &p->atoms[j+1], FALSE, TRUE);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRChangeOutputProperty error, %d\n", err);
}
}
}
if (drmmode_output->backlight_iface) {
INT32 data, backlight_range[2];
/* Set up the backlight property, which takes effect immediately
* and accepts values only within the backlight_range. */
backlight_atom = MakeAtom(BACKLIGHT_NAME, sizeof(BACKLIGHT_NAME) - 1, TRUE);
backlight_deprecated_atom = MakeAtom(BACKLIGHT_DEPRECATED_NAME,
sizeof(BACKLIGHT_DEPRECATED_NAME) - 1, TRUE);
backlight_range[0] = 0;
backlight_range[1] = drmmode_output->backlight_max;
err = RRConfigureOutputProperty(output->randr_output, backlight_atom,
FALSE, TRUE, FALSE, 2, backlight_range);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRConfigureOutputProperty error, %d\n", err);
}
err = RRConfigureOutputProperty(output->randr_output, backlight_deprecated_atom,
FALSE, TRUE, FALSE, 2, backlight_range);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRConfigureOutputProperty error, %d\n", err);
}
/* Set the current value of the backlight property */
data = drmmode_output->backlight_active_level;
err = RRChangeOutputProperty(output->randr_output, backlight_atom,
XA_INTEGER, 32, PropModeReplace, 1, &data,
FALSE, TRUE);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRChangeOutputProperty error, %d\n", err);
}
err = RRChangeOutputProperty(output->randr_output, backlight_deprecated_atom,
XA_INTEGER, 32, PropModeReplace, 1, &data,
FALSE, TRUE);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRChangeOutputProperty error, %d\n", err);
}
}
}
static Bool
drmmode_output_set_property(xf86OutputPtr output, Atom property,
RRPropertyValuePtr value)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmmode_ptr drmmode = drmmode_output->drmmode;
int i;
if (property == backlight_atom || property == backlight_deprecated_atom) {
INT32 val;
if (value->type != XA_INTEGER || value->format != 32 ||
value->size != 1)
{
return FALSE;
}
val = *(INT32 *)value->data;
if (val < 0 || val > drmmode_output->backlight_max)
return FALSE;
if (drmmode_output->dpms_mode == DPMSModeOn)
drmmode_backlight_set(output, val);
drmmode_output->backlight_active_level = val;
return TRUE;
}
for (i = 0; i < drmmode_output->num_props; i++) {
drmmode_prop_ptr p = &drmmode_output->props[i];
if (p->atoms[0] != property)
continue;
if (p->mode_prop->flags & DRM_MODE_PROP_RANGE) {
uint32_t val;
if (value->type != XA_INTEGER || value->format != 32 ||
value->size != 1)
return FALSE;
val = *(uint32_t *)value->data;
drmModeConnectorSetProperty(drmmode->fd, drmmode_output->output_id,
p->mode_prop->prop_id, (uint64_t)val);
return TRUE;
} else if (p->mode_prop->flags & DRM_MODE_PROP_ENUM) {
Atom atom;
const char *name;
int j;
if (value->type != XA_ATOM || value->format != 32 || value->size != 1)
return FALSE;
memcpy(&atom, value->data, 4);
name = NameForAtom(atom);
/* search for matching name string, then set its value down */
for (j = 0; j < p->mode_prop->count_enums; j++) {
if (!strcmp(p->mode_prop->enums[j].name, name)) {
drmModeConnectorSetProperty(drmmode->fd, drmmode_output->output_id,
p->mode_prop->prop_id, p->mode_prop->enums[j].value);
return TRUE;
}
}
return FALSE;
}
}
return TRUE;
}
static Bool
drmmode_output_get_property(xf86OutputPtr output, Atom property)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
int err;
if (property == backlight_atom || property == backlight_deprecated_atom) {
INT32 val;
if (! drmmode_output->backlight_iface)
return FALSE;
val = drmmode_backlight_get(output);
if (val < 0)
return FALSE;
err = RRChangeOutputProperty(output->randr_output, property,
XA_INTEGER, 32, PropModeReplace, 1, &val,
FALSE, TRUE);
if (err != 0) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"RRChangeOutputProperty error, %d\n", err);
return FALSE;
}
return TRUE;
}
return TRUE;
}
static const xf86OutputFuncsRec drmmode_output_funcs = {
.create_resources = drmmode_output_create_resources,
#ifdef RANDR_12_INTERFACE
.set_property = drmmode_output_set_property,
.get_property = drmmode_output_get_property,
#endif
.dpms = drmmode_output_dpms,
.detect = drmmode_output_detect,
.mode_valid = drmmode_output_mode_valid,
.get_modes = drmmode_output_get_modes,
.destroy = drmmode_output_destroy
};
static int subpixel_conv_table[7] = { 0, SubPixelUnknown,
SubPixelHorizontalRGB,
SubPixelHorizontalBGR,
SubPixelVerticalRGB,
SubPixelVerticalBGR,
SubPixelNone };
static const char *output_names[] = { "None",
"VGA",
"DVI",
"DVI",
"DVI",
"Composite",
"TV",
"LVDS",
"CTV",
"DIN",
"DP",
"HDMI",
"HDMI",
};
static void
drmmode_output_init(ScrnInfoPtr scrn, drmmode_ptr drmmode, int num)
{
xf86OutputPtr output;
drmModeConnectorPtr koutput;
drmModeEncoderPtr kencoder;
drmmode_output_private_ptr drmmode_output;
char name[32];
koutput = drmModeGetConnector(drmmode->fd,
drmmode->mode_res->connectors[num]);
if (!koutput)
return;
kencoder = drmModeGetEncoder(drmmode->fd, koutput->encoders[0]);
if (!kencoder) {
drmModeFreeConnector(koutput);
return;
}
snprintf(name, 32, "%s%d", output_names[koutput->connector_type],
koutput->connector_type_id);
output = xf86OutputCreate (scrn, &drmmode_output_funcs, name);
if (!output) {
drmModeFreeEncoder(kencoder);
drmModeFreeConnector(koutput);
return;
}
drmmode_output = calloc(sizeof(drmmode_output_private_rec), 1);
if (!drmmode_output) {
xf86OutputDestroy(output);
drmModeFreeConnector(koutput);
drmModeFreeEncoder(kencoder);
return;
}
/*
* If the connector type of the output device is LVDS, we will
* allocate the private_data to store the panel limit.
* For example: hdisplay, vdisplay
*/
drmmode_output->private_data = NULL;
if (koutput->connector_type == DRM_MODE_CONNECTOR_LVDS) {
drmmode_output->private_data = calloc(
sizeof(struct fixed_panel_lvds), 1);
if (!drmmode_output->private_data)
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Can't allocate private memory for LVDS.\n");
}
drmmode_output->output_id = drmmode->mode_res->connectors[num];
drmmode_output->mode_output = koutput;
drmmode_output->mode_encoder = kencoder;
drmmode_output->drmmode = drmmode;
output->mm_width = koutput->mmWidth;
output->mm_height = koutput->mmHeight;
output->subpixel_order = subpixel_conv_table[koutput->subpixel];
output->driver_private = drmmode_output;
if (koutput->connector_type == DRM_MODE_CONNECTOR_LVDS)
drmmode_backlight_init(output);
output->possible_crtcs = kencoder->possible_crtcs;
output->possible_clones = kencoder->possible_clones;
return;
}
static Bool
drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width, int height)
{
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
int i;
if (!drmmode_update_fb(scrn, width, height))
return FALSE;
for (i = 0; i < xf86_config->num_crtc; i++) {
xf86CrtcPtr crtc = xf86_config->crtc[i];
if (!crtc->enabled)
continue;
#if 0
drmmode_set_mode_major(crtc, &crtc->mode,
crtc->rotation, crtc->x, crtc->y);
#endif
}
return TRUE;
}
static const xf86CrtcConfigFuncsRec drmmode_xf86crtc_config_funcs = {
drmmode_xf86crtc_resize
};
#if 0
Bool
drmmode_do_pageflip(ScreenPtr screen, dri_bo *new_front, dri_bo *old_front,
void *data)
{
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
drmmode_crtc_private_ptr drmmode_crtc = config->crtc[0]->driver_private;
drmmode_ptr drmmode = drmmode_crtc->drmmode;
unsigned int pitch = scrn->displayWidth * intel->cpp;
int i, old_fb_id;
unsigned int crtc_id;
/*
* Create a new handle for the back buffer
*/
old_fb_id = drmmode->fb_id;
if (drmModeAddFB(drmmode->fd, scrn->virtualX, scrn->virtualY,
scrn->depth, scrn->bitsPerPixel, pitch,
new_front->handle, &drmmode->fb_id))
goto error_out;
/*
* Queue flips on all enabled CRTCs
* Note that if/when we get per-CRTC buffers, we'll have to update this.
* Right now it assumes a single shared fb across all CRTCs, with the
* kernel fixing up the offset of each CRTC as necessary.
*
* Also, flips queued on disabled or incorrectly configured displays
* may never complete; this is a configuration error.
*/
for (i = 0; i < config->num_crtc; i++) {
xf86CrtcPtr crtc = config->crtc[i];
if (!crtc->enabled)
continue;
drmmode_crtc = crtc->driver_private;
crtc_id = drmmode_crtc->mode_crtc->crtc_id;
drmmode->event_data = data;
drmmode->flip_count++;
if (drmModePageFlip(drmmode->fd, crtc_id, drmmode->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, drmmode)) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"flip queue failed: %s\n", strerror(errno));
goto error_undo;
}
}
dri_bo_pin(new_front, 0);
dri_bo_unpin(new_front);
scrn->fbOffset = new_front->offset;
intel->front_buffer->bo = new_front;
intel->front_buffer->offset = new_front->offset;
drmmode->old_fb_id = old_fb_id;
return TRUE;
error_undo:
drmModeRmFB(drmmode->fd, drmmode->fb_id);
drmmode->fb_id = old_fb_id;
error_out:
xf86DrvMsg(scrn->scrnIndex, X_WARNING, "Page flip failed: %s\n",
strerror(errno));
return FALSE;
}
static void
drmmode_vblank_handler(int fd, unsigned int frame, unsigned int tv_sec,
unsigned int tv_usec, void *event_data)
{
I830DRI2FrameEventHandler(frame, tv_sec, tv_usec, event_data);
}
static void
drmmode_page_flip_handler(int fd, unsigned int frame, unsigned int tv_sec,
unsigned int tv_usec, void *event_data)
{
drmmode_ptr drmmode = event_data;
drmmode->flip_count--;
if (drmmode->flip_count > 0)
return;
drmModeRmFB(drmmode->fd, drmmode->old_fb_id);
I830DRI2FlipEventHandler(frame, tv_sec, tv_usec, drmmode->event_data);
}
static void
drm_wakeup_handler(pointer data, int err, pointer p)
{
drmmode_ptr drmmode = data;
fd_set *read_mask = p;
if (err >= 0 && FD_ISSET(drmmode->fd, read_mask))
drmHandleEvent(drmmode->fd, &drmmode->event_context);
}
#endif
Bool drmmode_pre_init(ScrnInfoPtr scrn, int fd, int cpp)
{
drmmode_ptr drmmode;
unsigned int i;
drmmode = xnfalloc(sizeof *drmmode);
drmmode->fd = fd;
drmmode->fb_id = 0;
xf86CrtcConfigInit(scrn, &drmmode_xf86crtc_config_funcs);
drmmode->cpp = cpp;
drmmode->mode_res = drmModeGetResources(drmmode->fd);
if (!drmmode->mode_res) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"failed to get resources: %s\n", strerror(errno));
return FALSE;
}
xf86CrtcSetSizeRange(scrn, 320, 200, drmmode->mode_res->max_width,
drmmode->mode_res->max_height);
for (i = 0; i < drmmode->mode_res->count_crtcs; i++)
drmmode_crtc_init(scrn, drmmode, i);
for (i = 0; i < drmmode->mode_res->count_connectors; i++)
drmmode_output_init(scrn, drmmode, i);
xf86InitialConfiguration(scrn, TRUE);
#if 0
gp.param = I915_PARAM_HAS_PAGEFLIPPING;
gp.value = &has_flipping;
(void)drmCommandWriteRead(intel->drmSubFD, DRM_I915_GETPARAM, &gp,
sizeof(gp));
if (has_flipping) {
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"Kernel page flipping support detected, enabling\n");
intel->use_pageflipping = TRUE;
drmmode->event_context.version = DRM_EVENT_CONTEXT_VERSION;
drmmode->event_context.vblank_handler = drmmode_vblank_handler;
drmmode->event_context.page_flip_handler =
drmmode_page_flip_handler;
AddGeneralSocket(fd);
RegisterBlockAndWakeupHandlers((BlockHandlerProcPtr)NoopDDA,
drm_wakeup_handler, drmmode);
}
#endif
return TRUE;
}
void drmmode_closefb(ScrnInfoPtr scrn)
{
xf86CrtcConfigPtr xf86_config;
drmmode_crtc_private_ptr drmmode_crtc;
drmmode_ptr drmmode;
xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
drmmode_crtc = xf86_config->crtc[0]->driver_private;
drmmode = drmmode_crtc->drmmode;
drmModeRmFB(drmmode->fd, drmmode->fb_id);
drmmode->fb_id = 0;
}
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