lib: Move kms stuff from drmtest.c over to igt_kms.c

This makes cairo dependencies easier to handle. Otherwise, we
would have to litter drmtest all over with "#ifndef ANDROID"

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
[danvet: Add missing _GNU_SOURCE to igt_kms.c and missing include to
intel_sprite_on.c]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

5 files changed, 869 insertions, 804 deletions

diff --git a/lib/Makefile.sources b/lib/Makefile.sources
index d71f8378..78e2034e 100644
--- a/lib/Makefile.sources
+++ b/lib/Makefile.sources
@@ -32,5 +32,7 @@ libintel_tools_la_SOURCES = 	\
 	intel_reg_map.c		\
 	intel_dpio.c		\
 	intel_iosf.c		\
+	igt_kms.c \
+	igt_kms.h \
 	$(NULL)
 
diff --git a/lib/drmtest.c b/lib/drmtest.c
index d8fc60f6..38463f8c 100644
--- a/lib/drmtest.c
+++ b/lib/drmtest.c
@@ -35,13 +35,10 @@
 #include <sys/mman.h>
 #include <signal.h>
 #include <pciaccess.h>
-#include <math.h>
 #include <getopt.h>
 #include <stdlib.h>
-#include <linux/kd.h>
 #include <unistd.h>
 #include <sys/wait.h>
-#include "drm_fourcc.h"
 
 #include "drmtest.h"
 #include "i915_drm.h"
@@ -1375,553 +1372,6 @@ void igt_cleanup_aperture_trashers(void)
 	free(trash_bos);
 }
 
-/* helpers to create nice-looking framebuffers */
-static int create_bo_for_fb(int fd, int width, int height, int bpp,
-			    bool tiled, uint32_t *gem_handle_ret,
-			    unsigned *size_ret, unsigned *stride_ret)
-{
-	uint32_t gem_handle;
-	int size;
-	unsigned stride;
-
-	if (tiled) {
-		int v;
-
-		/* Round the tiling up to the next power-of-two and the
-		 * region up to the next pot fence size so that this works
-		 * on all generations.
-		 *
-		 * This can still fail if the framebuffer is too large to
-		 * be tiled. But then that failure is expected.
-		 */
-
-		v = width * bpp / 8;
-		for (stride = 512; stride < v; stride *= 2)
-			;
-
-		v = stride * height;
-		for (size = 1024*1024; size < v; size *= 2)
-			;
-	} else {
-		/* Scan-out has a 64 byte alignment restriction */
-		stride = (width * (bpp / 8) + 63) & ~63;
-		size = stride * height;
-	}
-
-	gem_handle = gem_create(fd, size);
-
-	if (tiled)
-		gem_set_tiling(fd, gem_handle, I915_TILING_X, stride);
-
-	*stride_ret = stride;
-	*size_ret = size;
-	*gem_handle_ret = gem_handle;
-
-	return 0;
-}
-
-void kmstest_paint_color(cairo_t *cr, int x, int y, int w, int h,
-			 double r, double g, double b)
-{
-	cairo_rectangle(cr, x, y, w, h);
-	cairo_set_source_rgb(cr, r, g, b);
-	cairo_fill(cr);
-}
-
-void kmstest_paint_color_alpha(cairo_t *cr, int x, int y, int w, int h,
-			       double r, double g, double b, double a)
-{
-	cairo_rectangle(cr, x, y, w, h);
-	cairo_set_source_rgba(cr, r, g, b, a);
-	cairo_fill(cr);
-}
-
-void
-kmstest_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
-		     int r, int g, int b)
-{
-	cairo_pattern_t *pat;
-
-	pat = cairo_pattern_create_linear(x, y, x + w, y + h);
-	cairo_pattern_add_color_stop_rgba(pat, 1, 0, 0, 0, 1);
-	cairo_pattern_add_color_stop_rgba(pat, 0, r, g, b, 1);
-
-	cairo_rectangle(cr, x, y, w, h);
-	cairo_set_source(cr, pat);
-	cairo_fill(cr);
-	cairo_pattern_destroy(pat);
-}
-
-static void
-paint_test_patterns(cairo_t *cr, int width, int height)
-{
-	double gr_height, gr_width;
-	int x, y;
-
-	y = height * 0.10;
-	gr_width = width * 0.75;
-	gr_height = height * 0.08;
-	x = (width / 2) - (gr_width / 2);
-
-	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 0, 0);
-
-	y += gr_height;
-	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 1, 0);
-
-	y += gr_height;
-	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 0, 1);
-
-	y += gr_height;
-	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 1, 1);
-}
-
-int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
-				double yspacing, const char *fmt, ...)
-{
-	double x, y, xofs, yofs;
-	cairo_text_extents_t extents;
-	char *text;
-	va_list ap;
-	int ret;
-
-	va_start(ap, fmt);
-	ret = vasprintf(&text, fmt, ap);
-	assert(ret >= 0);
-	va_end(ap);
-
-	cairo_text_extents(cr, text, &extents);
-
-	xofs = yofs = 0;
-	if (align & align_right)
-		xofs = -extents.width;
-	else if (align & align_hcenter)
-		xofs = -extents.width / 2;
-
-	if (align & align_top)
-		yofs = extents.height;
-	else if (align & align_vcenter)
-		yofs = extents.height / 2;
-
-	cairo_get_current_point(cr, &x, &y);
-	if (xofs || yofs)
-		cairo_rel_move_to(cr, xofs, yofs);
-
-	cairo_text_path(cr, text);
-	cairo_set_source_rgb(cr, 0, 0, 0);
-	cairo_stroke_preserve(cr);
-	cairo_set_source_rgb(cr, 1, 1, 1);
-	cairo_fill(cr);
-
-	cairo_move_to(cr, x, y + extents.height + yspacing);
-
-	free(text);
-
-	return extents.width;
-}
-
-static void
-paint_marker(cairo_t *cr, int x, int y)
-{
-	enum kmstest_text_align align;
-	int xoff, yoff;
-
-	cairo_move_to(cr, x, y - 20);
-	cairo_line_to(cr, x, y + 20);
-	cairo_move_to(cr, x - 20, y);
-	cairo_line_to(cr, x + 20, y);
-	cairo_new_sub_path(cr);
-	cairo_arc(cr, x, y, 10, 0, M_PI * 2);
-	cairo_set_line_width(cr, 4);
-	cairo_set_source_rgb(cr, 0, 0, 0);
-	cairo_stroke_preserve(cr);
-	cairo_set_source_rgb(cr, 1, 1, 1);
-	cairo_set_line_width(cr, 2);
-	cairo_stroke(cr);
-
-	xoff = x ? -20 : 20;
-	align = x ? align_right : align_left;
-
-	yoff = y ? -20 : 20;
-	align |= y ? align_bottom : align_top;
-
-	cairo_move_to(cr, x + xoff, y + yoff);
-	cairo_set_font_size(cr, 18);
-	kmstest_cairo_printf_line(cr, align, 0, "(%d, %d)", x, y);
-}
-
-void kmstest_paint_test_pattern(cairo_t *cr, int width, int height)
-{
-	paint_test_patterns(cr, width, height);
-
-	cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
-
-	/* Paint corner markers */
-	paint_marker(cr, 0, 0);
-	paint_marker(cr, width, 0);
-	paint_marker(cr, 0, height);
-	paint_marker(cr, width, height);
-
-	assert(!cairo_status(cr));
-}
-
-void kmstest_paint_image(cairo_t *cr, const char *filename,
-			 int dst_x, int dst_y, int dst_width, int dst_height)
-{
-	cairo_surface_t *image;
-	int img_width, img_height;
-	double scale_x, scale_y;
-
-	image = cairo_image_surface_create_from_png(filename);
-	assert(cairo_surface_status(image) == CAIRO_STATUS_SUCCESS);
-
-	img_width = cairo_image_surface_get_width(image);
-	img_height = cairo_image_surface_get_height(image);
-
-	scale_x = (double)dst_width / img_width;
-	scale_y = (double)dst_height / img_height;
-
-	cairo_save(cr);
-
-	cairo_translate(cr, dst_x, dst_y);
-	cairo_scale(cr, scale_x, scale_y);
-	cairo_set_source_surface(cr, image, 0, 0);
-	cairo_paint(cr);
-
-	cairo_surface_destroy(image);
-
-	cairo_restore(cr);
-}
-
-#define DF(did, cid, _bpp, _depth)	\
-	{ DRM_FORMAT_##did, CAIRO_FORMAT_##cid, # did, _bpp, _depth }
-static struct format_desc_struct {
-	uint32_t drm_id;
-	cairo_format_t cairo_id;
-	const char *name;
-	int bpp;
-	int depth;
-} format_desc[] = {
-	DF(RGB565,	RGB16_565,	16, 16),
-	DF(RGB888,	INVALID,	24, 24),
-	DF(XRGB8888,	RGB24,		32, 24),
-	DF(XRGB2101010,	RGB30,		32, 30),
-	DF(ARGB8888,	ARGB32,		32, 32),
-};
-#undef DF
-
-#define for_each_format(f)	\
-	for (f = format_desc; f - format_desc < ARRAY_SIZE(format_desc); f++)
-
-static uint32_t bpp_depth_to_drm_format(int bpp, int depth)
-{
-	struct format_desc_struct *f;
-
-	for_each_format(f)
-		if (f->bpp == bpp && f->depth == depth)
-			return f->drm_id;
-
-	abort();
-}
-
-/* Return fb_id on success, 0 on error */
-unsigned int kmstest_create_fb(int fd, int width, int height, int bpp,
-			       int depth, bool tiled, struct kmstest_fb *fb)
-{
-	memset(fb, 0, sizeof(*fb));
-
-	if (create_bo_for_fb(fd, width, height, bpp, tiled, &fb->gem_handle,
-			       &fb->size, &fb->stride) < 0)
-		return 0;
-
-	if (drmModeAddFB(fd, width, height, depth, bpp, fb->stride,
-			       fb->gem_handle, &fb->fb_id) < 0) {
-		gem_close(fd, fb->gem_handle);
-
-		return 0;
-	}
-
-	fb->width = width;
-	fb->height = height;
-	fb->tiling = tiled;
-	fb->drm_format = bpp_depth_to_drm_format(bpp, depth);
-
-	return fb->fb_id;
-}
-
-uint32_t drm_format_to_bpp(uint32_t drm_format)
-{
-	struct format_desc_struct *f;
-
-	for_each_format(f)
-		if (f->drm_id == drm_format)
-			return f->bpp;
-
-	abort();
-}
-
-unsigned int kmstest_create_fb2(int fd, int width, int height, uint32_t format,
-			        bool tiled, struct kmstest_fb *fb)
-{
-	uint32_t handles[4];
-	uint32_t pitches[4];
-	uint32_t offsets[4];
-	uint32_t fb_id;
-	int bpp;
-	int ret;
-
-	memset(fb, 0, sizeof(*fb));
-
-	bpp = drm_format_to_bpp(format);
-	ret = create_bo_for_fb(fd, width, height, bpp, tiled, &fb->gem_handle,
-			      &fb->size, &fb->stride);
-	if (ret < 0)
-		return ret;
-
-	memset(handles, 0, sizeof(handles));
-	handles[0] = fb->gem_handle;
-	memset(pitches, 0, sizeof(pitches));
-	pitches[0] = fb->stride;
-	memset(offsets, 0, sizeof(offsets));
-	if (drmModeAddFB2(fd, width, height, format, handles, pitches,
-			  offsets, &fb_id, 0) < 0) {
-		gem_close(fd, fb->gem_handle);
-
-		return 0;
-	}
-
-	fb->width = width;
-	fb->height = height;
-	fb->tiling = tiled;
-	fb->drm_format = format;
-	fb->fb_id = fb_id;
-
-	return fb_id;
-}
-
-static cairo_format_t drm_format_to_cairo(uint32_t drm_format)
-{
-	struct format_desc_struct *f;
-
-	for_each_format(f)
-		if (f->drm_id == drm_format)
-			return f->cairo_id;
-
-	abort();
-}
-
-static cairo_surface_t *create_image_surface(int fd, struct kmstest_fb *fb)
-{
-	cairo_surface_t *surface;
-	cairo_format_t cformat;
-	void *fb_ptr;
-
-	cformat = drm_format_to_cairo(fb->drm_format);
-	fb_ptr = gem_mmap(fd, fb->gem_handle, fb->size, PROT_READ | PROT_WRITE);
-	surface = cairo_image_surface_create_for_data((unsigned char *)fb_ptr,
-						   cformat, fb->width,
-						   fb->height, fb->stride);
-	assert(surface);
-
-	return surface;
-}
-
-static cairo_t *create_cairo_ctx(int fd, struct kmstest_fb *fb)
-{
-	cairo_t *cr;
-	cairo_surface_t *surface;
-
-	surface = create_image_surface(fd, fb);
-	cr = cairo_create(surface);
-	cairo_surface_destroy(surface);
-
-	return cr;
-}
-
-void kmstest_write_fb(int fd, struct kmstest_fb *fb, const char *filename)
-{
-	cairo_surface_t *surface;
-	cairo_status_t status;
-
-	surface = create_image_surface(fd, fb);
-	status = cairo_surface_write_to_png(surface, filename);
-	assert(status == CAIRO_STATUS_SUCCESS);
-	cairo_surface_destroy(surface);
-}
-
-cairo_t *kmstest_get_cairo_ctx(int fd, struct kmstest_fb *fb)
-{
-
-	if (!fb->cairo_ctx)
-		fb->cairo_ctx = create_cairo_ctx(fd, fb);
-
-	gem_set_domain(fd, fb->gem_handle, I915_GEM_DOMAIN_CPU,
-		       I915_GEM_DOMAIN_CPU);
-
-	return fb->cairo_ctx;
-}
-
-void kmstest_remove_fb(int fd, struct kmstest_fb *fb)
-{
-	if (fb->cairo_ctx)
-		cairo_destroy(fb->cairo_ctx);
-	do_or_die(drmModeRmFB(fd, fb->fb_id));
-	gem_close(fd, fb->gem_handle);
-}
-
-const char *kmstest_format_str(uint32_t drm_format)
-{
-	struct format_desc_struct *f;
-
-	for_each_format(f)
-		if (f->drm_id == drm_format)
-			return f->name;
-
-	return "invalid";
-}
-
-const char *kmstest_pipe_str(int pipe)
-{
-	const char *str[] = { "A", "B", "C" };
-
-	if (pipe > 2)
-		return "invalid";
-
-	return str[pipe];
-}
-
-void kmstest_get_all_formats(const uint32_t **formats, int *format_count)
-{
-	static uint32_t *drm_formats;
-
-	if (!drm_formats) {
-		struct format_desc_struct *f;
-		uint32_t *format;
-
-		drm_formats = calloc(ARRAY_SIZE(format_desc),
-				     sizeof(*drm_formats));
-		format = &drm_formats[0];
-		for_each_format(f)
-			*format++ = f->drm_id;
-	}
-
-	*formats = drm_formats;
-	*format_count = ARRAY_SIZE(format_desc);
-}
-
-struct type_name {
-	int type;
-	const char *name;
-};
-
-#define type_name_fn(res) \
-const char * kmstest_##res##_str(int type) {		\
-	unsigned int i;					\
-	for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
-		if (res##_names[i].type == type)	\
-			return res##_names[i].name;	\
-	}						\
-	return "(invalid)";				\
-}
-
-struct type_name encoder_type_names[] = {
-	{ DRM_MODE_ENCODER_NONE, "none" },
-	{ DRM_MODE_ENCODER_DAC, "DAC" },
-	{ DRM_MODE_ENCODER_TMDS, "TMDS" },
-	{ DRM_MODE_ENCODER_LVDS, "LVDS" },
-	{ DRM_MODE_ENCODER_TVDAC, "TVDAC" },
-};
-
-type_name_fn(encoder_type)
-
-struct type_name connector_status_names[] = {
-	{ DRM_MODE_CONNECTED, "connected" },
-	{ DRM_MODE_DISCONNECTED, "disconnected" },
-	{ DRM_MODE_UNKNOWNCONNECTION, "unknown" },
-};
-
-type_name_fn(connector_status)
-
-struct type_name connector_type_names[] = {
-	{ DRM_MODE_CONNECTOR_Unknown, "unknown" },
-	{ DRM_MODE_CONNECTOR_VGA, "VGA" },
-	{ DRM_MODE_CONNECTOR_DVII, "DVI-I" },
-	{ DRM_MODE_CONNECTOR_DVID, "DVI-D" },
-	{ DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
-	{ DRM_MODE_CONNECTOR_Composite, "composite" },
-	{ DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
-	{ DRM_MODE_CONNECTOR_LVDS, "LVDS" },
-	{ DRM_MODE_CONNECTOR_Component, "component" },
-	{ DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
-	{ DRM_MODE_CONNECTOR_DisplayPort, "DP" },
-	{ DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
-	{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
-	{ DRM_MODE_CONNECTOR_TV, "TV" },
-	{ DRM_MODE_CONNECTOR_eDP, "eDP" },
-};
-
-type_name_fn(connector_type)
-
-static const char *mode_stereo_name(const drmModeModeInfo *mode)
-{
-	switch (mode->flags & DRM_MODE_FLAG_3D_MASK) {
-	case DRM_MODE_FLAG_3D_FRAME_PACKING:
-		return "FP";
-	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
-		return "FA";
-	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
-		return "LA";
-	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
-		return "SBSF";
-	case DRM_MODE_FLAG_3D_L_DEPTH:
-		return "LD";
-	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
-		return "LDGFX";
-	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
-		return "TB";
-	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
-		return "SBSH";
-	default:
-		return NULL;
-	}
-}
-
-void kmstest_dump_mode(drmModeModeInfo *mode)
-{
-	const char *stereo = mode_stereo_name(mode);
-
-	printf("  %s %d %d %d %d %d %d %d %d %d 0x%x 0x%x %d%s%s%s\n",
-	       mode->name,
-	       mode->vrefresh,
-	       mode->hdisplay,
-	       mode->hsync_start,
-	       mode->hsync_end,
-	       mode->htotal,
-	       mode->vdisplay,
-	       mode->vsync_start,
-	       mode->vsync_end,
-	       mode->vtotal,
-	       mode->flags,
-	       mode->type,
-	       mode->clock,
-	       stereo ? " (3D:" : "",
-	       stereo ? stereo : "",
-	       stereo ? ")" : "");
-	fflush(stdout);
-}
-
-int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id)
-{
-	struct drm_i915_get_pipe_from_crtc_id pfci;
-	int ret;
-
-	memset(&pfci, 0, sizeof(pfci));
-	pfci.crtc_id = crtc_id;
-	ret = drmIoctl(fd, DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID, &pfci);
-	igt_assert(ret == 0);
-
-	return pfci.pipe;
-}
-
 #define MAX_SIGNALS		32
 #define MAX_EXIT_HANDLERS	5
 
@@ -2075,188 +1525,6 @@ void igt_enable_exit_handler(void)
 	exit_handler_disabled = false;
 }
 
-static signed long set_vt_mode(unsigned long mode)
-{
-	int fd;
-	unsigned long prev_mode;
-
-	fd = open("/dev/tty0", O_RDONLY);
-	if (fd < 0)
-		return -errno;
-
-	prev_mode = 0;
-	if (drmIoctl(fd, KDGETMODE, &prev_mode))
-		goto err;
-	if (drmIoctl(fd, KDSETMODE, (void *)mode))
-		goto err;
-
-	close(fd);
-
-	return prev_mode;
-err:
-	close(fd);
-
-	return -errno;
-}
-
-static unsigned long orig_vt_mode = -1UL;
-
-static void restore_vt_mode_at_exit(int sig)
-{
-	if (orig_vt_mode != -1UL)
-		set_vt_mode(orig_vt_mode);
-}
-
-/*
- * Set the VT to graphics mode and install an exit handler to restore the
- * original mode.
- */
-
-void igt_set_vt_graphics_mode(void)
-{
-	igt_install_exit_handler(restore_vt_mode_at_exit);
-
-	igt_disable_exit_handler();
-	orig_vt_mode = set_vt_mode(KD_GRAPHICS);
-	if (orig_vt_mode < 0)
-		orig_vt_mode = -1UL;
-	igt_enable_exit_handler();
-
-	igt_assert(orig_vt_mode >= 0);
-}
-
-int kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
-				      drmModeModeInfo *mode)
-{
-	drmModeRes *resources;
-	int i;
-
-	resources = drmModeGetResources(drm_fd);
-	if (!resources) {
-		perror("drmModeGetResources failed");
-
-		return -1;
-	}
-
-	if (!connector->count_modes) {
-		fprintf(stderr, "no modes for connector %d\n",
-			connector->connector_id);
-		drmModeFreeResources(resources);
-
-		return -1;
-	}
-
-	for (i = 0; i < connector->count_modes; i++) {
-		if (i == 0 ||
-		    connector->modes[i].type & DRM_MODE_TYPE_PREFERRED) {
-			*mode = connector->modes[i];
-			if (mode->type & DRM_MODE_TYPE_PREFERRED)
-				break;
-		}
-	}
-
-	drmModeFreeResources(resources);
-
-	return 0;
-}
-
-int kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
-				 unsigned long crtc_idx_mask,
-				 struct kmstest_connector_config *config)
-{
-	drmModeRes *resources;
-	drmModeConnector *connector;
-	drmModeEncoder *encoder;
-	int i, j;
-
-	resources = drmModeGetResources(drm_fd);
-	if (!resources) {
-		perror("drmModeGetResources failed");
-		goto err1;
-	}
-
-	/* First, find the connector & mode */
-	connector = drmModeGetConnector(drm_fd, connector_id);
-	if (!connector)
-		goto err2;
-
-	if (connector->connection != DRM_MODE_CONNECTED)
-		goto err3;
-
-	if (!connector->count_modes) {
-		fprintf(stderr, "connector %d has no modes\n", connector_id);
-		goto err3;
-	}
-
-	if (connector->connector_id != connector_id) {
-		fprintf(stderr, "connector id doesn't match (%d != %d)\n",
-			connector->connector_id, connector_id);
-		goto err3;
-	}
-
-	/*
-	 * Find given CRTC if crtc_id != 0 or else the first CRTC not in use.
-	 * In both cases find the first compatible encoder and skip the CRTC
-	 * if there is non such.
-	 */
-	encoder = NULL;		/* suppress GCC warning */
-	for (i = 0; i < resources->count_crtcs; i++) {
-		if (!resources->crtcs[i] || !(crtc_idx_mask & (1 << i)))
-			continue;
-
-		/* Now get a compatible encoder */
-		for (j = 0; j < connector->count_encoders; j++) {
-			encoder = drmModeGetEncoder(drm_fd,
-						    connector->encoders[j]);
-
-			if (!encoder) {
-				fprintf(stderr, "could not get encoder %d: %s\n",
-					resources->encoders[j], strerror(errno));
-
-				continue;
-			}
-
-			if (encoder->possible_crtcs & (1 << i))
-				goto found;
-
-			drmModeFreeEncoder(encoder);
-		}
-	}
-
-	goto err3;
-
-found:
-	if (kmstest_get_connector_default_mode(drm_fd, connector,
-				       &config->default_mode) < 0)
-		goto err4;
-
-	config->connector = connector;
-	config->encoder = encoder;
-	config->crtc = drmModeGetCrtc(drm_fd, resources->crtcs[i]);
-	config->crtc_idx = i;
-	config->pipe = kmstest_get_pipe_from_crtc_id(drm_fd,
-						     config->crtc->crtc_id);
-
-	drmModeFreeResources(resources);
-
-	return 0;
-err4:
-	drmModeFreeEncoder(encoder);
-err3:
-	drmModeFreeConnector(connector);
-err2:
-	drmModeFreeResources(resources);
-err1:
-	return -1;
-}
-
-void kmstest_free_connector_config(struct kmstest_connector_config *config)
-{
-	drmModeFreeCrtc(config->crtc);
-	drmModeFreeEncoder(config->encoder);
-	drmModeFreeConnector(config->connector);
-}
-
 #define PREFAULT_DEBUGFS "/sys/module/i915/parameters/prefault_disable"
 static void igt_prefault_control(bool enable)
 {
diff --git a/lib/drmtest.h b/lib/drmtest.h
index a9fd0bc5..ce9d18dd 100644
--- a/lib/drmtest.h
+++ b/lib/drmtest.h
@@ -34,7 +34,6 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdbool.h>
-#include <cairo.h>
 #include <setjmp.h>
 #include <sys/mman.h>
 
@@ -322,77 +321,6 @@ void igt_init_aperture_trashers(drm_intel_bufmgr *bufmgr);
 void igt_trash_aperture(void);
 void igt_cleanup_aperture_trashers(void);
 
-struct kmstest_connector_config {
-	drmModeCrtc *crtc;
-	drmModeConnector *connector;
-	drmModeEncoder *encoder;
-	drmModeModeInfo default_mode;
-	int crtc_idx;
-	int pipe;
-};
-
-int kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
-				      drmModeModeInfo *mode);
-int kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
-				 unsigned long crtc_idx_mask,
-				 struct kmstest_connector_config *config);
-void kmstest_free_connector_config(struct kmstest_connector_config *config);
-
-/* helpers to create nice-looking framebuffers */
-struct kmstest_fb {
-	uint32_t fb_id;
-	uint32_t gem_handle;
-	uint32_t drm_format;
-	int width;
-	int height;
-	int depth;
-	unsigned stride;
-	unsigned tiling;
-	unsigned size;
-	cairo_t *cairo_ctx;
-};
-
-enum kmstest_text_align {
-	align_left,
-	align_bottom	= align_left,
-	align_right	= 0x01,
-	align_top	= 0x02,
-	align_vcenter	= 0x04,
-	align_hcenter	= 0x08,
-};
-
-int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
-			       double yspacing, const char *fmt, ...)
-			       __attribute__((format (printf, 4, 5)));
-
-unsigned int kmstest_create_fb(int fd, int width, int height, int bpp,
-			       int depth, bool tiled,
-			       struct kmstest_fb *fb_info);
-unsigned int kmstest_create_fb2(int fd, int width, int height, uint32_t format,
-			        bool tiled, struct kmstest_fb *fb);
-void kmstest_remove_fb(int fd, struct kmstest_fb *fb_info);
-cairo_t *kmstest_get_cairo_ctx(int fd, struct kmstest_fb *fb);
-void kmstest_paint_color(cairo_t *cr, int x, int y, int w, int h,
-			 double r, double g, double b);
-void kmstest_paint_color_alpha(cairo_t *cr, int x, int y, int w, int h,
-			       double r, double g, double b, double a);
-void kmstest_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
-				  int r, int g, int b);
-void kmstest_paint_test_pattern(cairo_t *cr, int width, int height);
-void kmstest_paint_image(cairo_t *cr, const char *filename,
-			 int dst_x, int dst_y, int dst_width, int dst_height);
-void kmstest_write_fb(int fd, struct kmstest_fb *fb, const char *filename);
-void kmstest_dump_mode(drmModeModeInfo *mode);
-int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id);
-const char *kmstest_format_str(uint32_t drm_format);
-const char *kmstest_pipe_str(int pipe);
-void kmstest_get_all_formats(const uint32_t **formats, int *format_count);
-const char *kmstest_encoder_type_str(int type);
-const char *kmstest_connector_status_str(int type);
-const char *kmstest_connector_type_str(int type);
-
-uint32_t drm_format_to_bpp(uint32_t drm_format);
-
 #define do_or_die(x) igt_assert((x) == 0)
 #define do_ioctl(fd, ptr, sz) igt_assert(drmIoctl((fd), (ptr), (sz)) == 0)
 
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
new file mode 100644
index 00000000..57795b16
--- /dev/null
+++ b/lib/igt_kms.c
@@ -0,0 +1,765 @@
+/*
+ * Copyright © 2013 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.
+ *
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <math.h>
+#include <linux/kd.h>
+#include "drm_fourcc.h"
+
+#include "drmtest.h"
+#include "igt_kms.h"
+
+/* helpers to create nice-looking framebuffers */
+static int create_bo_for_fb(int fd, int width, int height, int bpp,
+			    bool tiled, uint32_t *gem_handle_ret,
+			    unsigned *size_ret, unsigned *stride_ret)
+{
+	uint32_t gem_handle;
+	int size;
+	unsigned stride;
+
+	if (tiled) {
+		int v;
+
+		/* Round the tiling up to the next power-of-two and the
+		 * region up to the next pot fence size so that this works
+		 * on all generations.
+		 *
+		 * This can still fail if the framebuffer is too large to
+		 * be tiled. But then that failure is expected.
+		 */
+
+		v = width * bpp / 8;
+		for (stride = 512; stride < v; stride *= 2)
+			;
+
+		v = stride * height;
+		for (size = 1024*1024; size < v; size *= 2)
+			;
+	} else {
+		/* Scan-out has a 64 byte alignment restriction */
+		stride = (width * (bpp / 8) + 63) & ~63;
+		size = stride * height;
+	}
+
+	gem_handle = gem_create(fd, size);
+
+	if (tiled)
+		gem_set_tiling(fd, gem_handle, I915_TILING_X, stride);
+
+	*stride_ret = stride;
+	*size_ret = size;
+	*gem_handle_ret = gem_handle;
+
+	return 0;
+}
+
+void kmstest_paint_color(cairo_t *cr, int x, int y, int w, int h,
+			 double r, double g, double b)
+{
+	cairo_rectangle(cr, x, y, w, h);
+	cairo_set_source_rgb(cr, r, g, b);
+	cairo_fill(cr);
+}
+
+void kmstest_paint_color_alpha(cairo_t *cr, int x, int y, int w, int h,
+			       double r, double g, double b, double a)
+{
+	cairo_rectangle(cr, x, y, w, h);
+	cairo_set_source_rgba(cr, r, g, b, a);
+	cairo_fill(cr);
+}
+
+void
+kmstest_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
+		     int r, int g, int b)
+{
+	cairo_pattern_t *pat;
+
+	pat = cairo_pattern_create_linear(x, y, x + w, y + h);
+	cairo_pattern_add_color_stop_rgba(pat, 1, 0, 0, 0, 1);
+	cairo_pattern_add_color_stop_rgba(pat, 0, r, g, b, 1);
+
+	cairo_rectangle(cr, x, y, w, h);
+	cairo_set_source(cr, pat);
+	cairo_fill(cr);
+	cairo_pattern_destroy(pat);
+}
+
+static void
+paint_test_patterns(cairo_t *cr, int width, int height)
+{
+	double gr_height, gr_width;
+	int x, y;
+
+	y = height * 0.10;
+	gr_width = width * 0.75;
+	gr_height = height * 0.08;
+	x = (width / 2) - (gr_width / 2);
+
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 0, 0);
+
+	y += gr_height;
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 1, 0);
+
+	y += gr_height;
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 0, 1);
+
+	y += gr_height;
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 1, 1);
+}
+
+int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
+				double yspacing, const char *fmt, ...)
+{
+	double x, y, xofs, yofs;
+	cairo_text_extents_t extents;
+	char *text;
+	va_list ap;
+	int ret;
+
+	va_start(ap, fmt);
+	ret = vasprintf(&text, fmt, ap);
+	assert(ret >= 0);
+	va_end(ap);
+
+	cairo_text_extents(cr, text, &extents);
+
+	xofs = yofs = 0;
+	if (align & align_right)
+		xofs = -extents.width;
+	else if (align & align_hcenter)
+		xofs = -extents.width / 2;
+
+	if (align & align_top)
+		yofs = extents.height;
+	else if (align & align_vcenter)
+		yofs = extents.height / 2;
+
+	cairo_get_current_point(cr, &x, &y);
+	if (xofs || yofs)
+		cairo_rel_move_to(cr, xofs, yofs);
+
+	cairo_text_path(cr, text);
+	cairo_set_source_rgb(cr, 0, 0, 0);
+	cairo_stroke_preserve(cr);
+	cairo_set_source_rgb(cr, 1, 1, 1);
+	cairo_fill(cr);
+
+	cairo_move_to(cr, x, y + extents.height + yspacing);
+
+	free(text);
+
+	return extents.width;
+}
+
+static void
+paint_marker(cairo_t *cr, int x, int y)
+{
+	enum kmstest_text_align align;
+	int xoff, yoff;
+
+	cairo_move_to(cr, x, y - 20);
+	cairo_line_to(cr, x, y + 20);
+	cairo_move_to(cr, x - 20, y);
+	cairo_line_to(cr, x + 20, y);
+	cairo_new_sub_path(cr);
+	cairo_arc(cr, x, y, 10, 0, M_PI * 2);
+	cairo_set_line_width(cr, 4);
+	cairo_set_source_rgb(cr, 0, 0, 0);
+	cairo_stroke_preserve(cr);
+	cairo_set_source_rgb(cr, 1, 1, 1);
+	cairo_set_line_width(cr, 2);
+	cairo_stroke(cr);
+
+	xoff = x ? -20 : 20;
+	align = x ? align_right : align_left;
+
+	yoff = y ? -20 : 20;
+	align |= y ? align_bottom : align_top;
+
+	cairo_move_to(cr, x + xoff, y + yoff);
+	cairo_set_font_size(cr, 18);
+	kmstest_cairo_printf_line(cr, align, 0, "(%d, %d)", x, y);
+}
+
+void kmstest_paint_test_pattern(cairo_t *cr, int width, int height)
+{
+	paint_test_patterns(cr, width, height);
+
+	cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
+
+	/* Paint corner markers */
+	paint_marker(cr, 0, 0);
+	paint_marker(cr, width, 0);
+	paint_marker(cr, 0, height);
+	paint_marker(cr, width, height);
+
+	assert(!cairo_status(cr));
+}
+
+void kmstest_paint_image(cairo_t *cr, const char *filename,
+			 int dst_x, int dst_y, int dst_width, int dst_height)
+{
+	cairo_surface_t *image;
+	int img_width, img_height;
+	double scale_x, scale_y;
+
+	image = cairo_image_surface_create_from_png(filename);
+	assert(cairo_surface_status(image) == CAIRO_STATUS_SUCCESS);
+
+	img_width = cairo_image_surface_get_width(image);
+	img_height = cairo_image_surface_get_height(image);
+
+	scale_x = (double)dst_width / img_width;
+	scale_y = (double)dst_height / img_height;
+
+	cairo_save(cr);
+
+	cairo_translate(cr, dst_x, dst_y);
+	cairo_scale(cr, scale_x, scale_y);
+	cairo_set_source_surface(cr, image, 0, 0);
+	cairo_paint(cr);
+
+	cairo_surface_destroy(image);
+
+	cairo_restore(cr);
+}
+
+#define DF(did, cid, _bpp, _depth)	\
+	{ DRM_FORMAT_##did, CAIRO_FORMAT_##cid, # did, _bpp, _depth }
+static struct format_desc_struct {
+	uint32_t drm_id;
+	cairo_format_t cairo_id;
+	const char *name;
+	int bpp;
+	int depth;
+} format_desc[] = {
+	DF(RGB565,	RGB16_565,	16, 16),
+	DF(RGB888,	INVALID,	24, 24),
+	DF(XRGB8888,	RGB24,		32, 24),
+	DF(XRGB2101010,	RGB30,		32, 30),
+	DF(ARGB8888,	ARGB32,		32, 32),
+};
+#undef DF
+
+#define for_each_format(f)	\
+	for (f = format_desc; f - format_desc < ARRAY_SIZE(format_desc); f++)
+
+static uint32_t bpp_depth_to_drm_format(int bpp, int depth)
+{
+	struct format_desc_struct *f;
+
+	for_each_format(f)
+		if (f->bpp == bpp && f->depth == depth)
+			return f->drm_id;
+
+	abort();
+}
+
+/* Return fb_id on success, 0 on error */
+unsigned int kmstest_create_fb(int fd, int width, int height, int bpp,
+			       int depth, bool tiled, struct kmstest_fb *fb)
+{
+	memset(fb, 0, sizeof(*fb));
+
+	if (create_bo_for_fb(fd, width, height, bpp, tiled, &fb->gem_handle,
+			       &fb->size, &fb->stride) < 0)
+		return 0;
+
+	if (drmModeAddFB(fd, width, height, depth, bpp, fb->stride,
+			       fb->gem_handle, &fb->fb_id) < 0) {
+		gem_close(fd, fb->gem_handle);
+
+		return 0;
+	}
+
+	fb->width = width;
+	fb->height = height;
+	fb->tiling = tiled;
+	fb->drm_format = bpp_depth_to_drm_format(bpp, depth);
+
+	return fb->fb_id;
+}
+
+uint32_t drm_format_to_bpp(uint32_t drm_format)
+{
+	struct format_desc_struct *f;
+
+	for_each_format(f)
+		if (f->drm_id == drm_format)
+			return f->bpp;
+
+	abort();
+}
+
+unsigned int kmstest_create_fb2(int fd, int width, int height, uint32_t format,
+			        bool tiled, struct kmstest_fb *fb)
+{
+	uint32_t handles[4];
+	uint32_t pitches[4];
+	uint32_t offsets[4];
+	uint32_t fb_id;
+	int bpp;
+	int ret;
+
+	memset(fb, 0, sizeof(*fb));
+
+	bpp = drm_format_to_bpp(format);
+	ret = create_bo_for_fb(fd, width, height, bpp, tiled, &fb->gem_handle,
+			      &fb->size, &fb->stride);
+	if (ret < 0)
+		return ret;
+
+	memset(handles, 0, sizeof(handles));
+	handles[0] = fb->gem_handle;
+	memset(pitches, 0, sizeof(pitches));
+	pitches[0] = fb->stride;
+	memset(offsets, 0, sizeof(offsets));
+	if (drmModeAddFB2(fd, width, height, format, handles, pitches,
+			  offsets, &fb_id, 0) < 0) {
+		gem_close(fd, fb->gem_handle);
+
+		return 0;
+	}
+
+	fb->width = width;
+	fb->height = height;
+	fb->tiling = tiled;
+	fb->drm_format = format;
+	fb->fb_id = fb_id;
+
+	return fb_id;
+}
+
+static cairo_format_t drm_format_to_cairo(uint32_t drm_format)
+{
+	struct format_desc_struct *f;
+
+	for_each_format(f)
+		if (f->drm_id == drm_format)
+			return f->cairo_id;
+
+	abort();
+}
+
+static cairo_surface_t *create_image_surface(int fd, struct kmstest_fb *fb)
+{
+	cairo_surface_t *surface;
+	cairo_format_t cformat;
+	void *fb_ptr;
+
+	cformat = drm_format_to_cairo(fb->drm_format);
+	fb_ptr = gem_mmap(fd, fb->gem_handle, fb->size, PROT_READ | PROT_WRITE);
+	surface = cairo_image_surface_create_for_data((unsigned char *)fb_ptr,
+						   cformat, fb->width,
+						   fb->height, fb->stride);
+	assert(surface);
+
+	return surface;
+}
+
+static cairo_t *create_cairo_ctx(int fd, struct kmstest_fb *fb)
+{
+	cairo_t *cr;
+	cairo_surface_t *surface;
+
+	surface = create_image_surface(fd, fb);
+	cr = cairo_create(surface);
+	cairo_surface_destroy(surface);
+
+	return cr;
+}
+
+void kmstest_write_fb(int fd, struct kmstest_fb *fb, const char *filename)
+{
+	cairo_surface_t *surface;
+	cairo_status_t status;
+
+	surface = create_image_surface(fd, fb);
+	status = cairo_surface_write_to_png(surface, filename);
+	assert(status == CAIRO_STATUS_SUCCESS);
+	cairo_surface_destroy(surface);
+}
+
+cairo_t *kmstest_get_cairo_ctx(int fd, struct kmstest_fb *fb)
+{
+
+	if (!fb->cairo_ctx)
+		fb->cairo_ctx = create_cairo_ctx(fd, fb);
+
+	gem_set_domain(fd, fb->gem_handle, I915_GEM_DOMAIN_CPU,
+		       I915_GEM_DOMAIN_CPU);
+
+	return fb->cairo_ctx;
+}
+
+void kmstest_remove_fb(int fd, struct kmstest_fb *fb)
+{
+	if (fb->cairo_ctx)
+		cairo_destroy(fb->cairo_ctx);
+	do_or_die(drmModeRmFB(fd, fb->fb_id));
+	gem_close(fd, fb->gem_handle);
+}
+
+const char *kmstest_format_str(uint32_t drm_format)
+{
+	struct format_desc_struct *f;
+
+	for_each_format(f)
+		if (f->drm_id == drm_format)
+			return f->name;
+
+	return "invalid";
+}
+
+const char *kmstest_pipe_str(int pipe)
+{
+	const char *str[] = { "A", "B", "C" };
+
+	if (pipe > 2)
+		return "invalid";
+
+	return str[pipe];
+}
+
+void kmstest_get_all_formats(const uint32_t **formats, int *format_count)
+{
+	static uint32_t *drm_formats;
+
+	if (!drm_formats) {
+		struct format_desc_struct *f;
+		uint32_t *format;
+
+		drm_formats = calloc(ARRAY_SIZE(format_desc),
+				     sizeof(*drm_formats));
+		format = &drm_formats[0];
+		for_each_format(f)
+			*format++ = f->drm_id;
+	}
+
+	*formats = drm_formats;
+	*format_count = ARRAY_SIZE(format_desc);
+}
+
+struct type_name {
+	int type;
+	const char *name;
+};
+
+#define type_name_fn(res) \
+const char * kmstest_##res##_str(int type) {		\
+	unsigned int i;					\
+	for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
+		if (res##_names[i].type == type)	\
+			return res##_names[i].name;	\
+	}						\
+	return "(invalid)";				\
+}
+
+struct type_name encoder_type_names[] = {
+	{ DRM_MODE_ENCODER_NONE, "none" },
+	{ DRM_MODE_ENCODER_DAC, "DAC" },
+	{ DRM_MODE_ENCODER_TMDS, "TMDS" },
+	{ DRM_MODE_ENCODER_LVDS, "LVDS" },
+	{ DRM_MODE_ENCODER_TVDAC, "TVDAC" },
+};
+
+type_name_fn(encoder_type)
+
+struct type_name connector_status_names[] = {
+	{ DRM_MODE_CONNECTED, "connected" },
+	{ DRM_MODE_DISCONNECTED, "disconnected" },
+	{ DRM_MODE_UNKNOWNCONNECTION, "unknown" },
+};
+
+type_name_fn(connector_status)
+
+struct type_name connector_type_names[] = {
+	{ DRM_MODE_CONNECTOR_Unknown, "unknown" },
+	{ DRM_MODE_CONNECTOR_VGA, "VGA" },
+	{ DRM_MODE_CONNECTOR_DVII, "DVI-I" },
+	{ DRM_MODE_CONNECTOR_DVID, "DVI-D" },
+	{ DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
+	{ DRM_MODE_CONNECTOR_Composite, "composite" },
+	{ DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
+	{ DRM_MODE_CONNECTOR_LVDS, "LVDS" },
+	{ DRM_MODE_CONNECTOR_Component, "component" },
+	{ DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
+	{ DRM_MODE_CONNECTOR_DisplayPort, "DP" },
+	{ DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
+	{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
+	{ DRM_MODE_CONNECTOR_TV, "TV" },
+	{ DRM_MODE_CONNECTOR_eDP, "eDP" },
+};
+
+type_name_fn(connector_type)
+
+static const char *mode_stereo_name(const drmModeModeInfo *mode)
+{
+	switch (mode->flags & DRM_MODE_FLAG_3D_MASK) {
+	case DRM_MODE_FLAG_3D_FRAME_PACKING:
+		return "FP";
+	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
+		return "FA";
+	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
+		return "LA";
+	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
+		return "SBSF";
+	case DRM_MODE_FLAG_3D_L_DEPTH:
+		return "LD";
+	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
+		return "LDGFX";
+	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
+		return "TB";
+	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
+		return "SBSH";
+	default:
+		return NULL;
+	}
+}
+
+void kmstest_dump_mode(drmModeModeInfo *mode)
+{
+	const char *stereo = mode_stereo_name(mode);
+
+	printf("  %s %d %d %d %d %d %d %d %d %d 0x%x 0x%x %d%s%s%s\n",
+	       mode->name,
+	       mode->vrefresh,
+	       mode->hdisplay,
+	       mode->hsync_start,
+	       mode->hsync_end,
+	       mode->htotal,
+	       mode->vdisplay,
+	       mode->vsync_start,
+	       mode->vsync_end,
+	       mode->vtotal,
+	       mode->flags,
+	       mode->type,
+	       mode->clock,
+	       stereo ? " (3D:" : "",
+	       stereo ? stereo : "",
+	       stereo ? ")" : "");
+	fflush(stdout);
+}
+
+int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id)
+{
+	struct drm_i915_get_pipe_from_crtc_id pfci;
+	int ret;
+
+	memset(&pfci, 0, sizeof(pfci));
+	pfci.crtc_id = crtc_id;
+	ret = drmIoctl(fd, DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID, &pfci);
+	igt_assert(ret == 0);
+
+	return pfci.pipe;
+}
+
+static signed long set_vt_mode(unsigned long mode)
+{
+	int fd;
+	unsigned long prev_mode;
+
+	fd = open("/dev/tty0", O_RDONLY);
+	if (fd < 0)
+		return -errno;
+
+	prev_mode = 0;
+	if (drmIoctl(fd, KDGETMODE, &prev_mode))
+		goto err;
+	if (drmIoctl(fd, KDSETMODE, (void *)mode))
+		goto err;
+
+	close(fd);
+
+	return prev_mode;
+err:
+	close(fd);
+
+	return -errno;
+}
+
+static unsigned long orig_vt_mode = -1UL;
+
+static void restore_vt_mode_at_exit(int sig)
+{
+	if (orig_vt_mode != -1UL)
+		set_vt_mode(orig_vt_mode);
+}
+
+/*
+ * Set the VT to graphics mode and install an exit handler to restore the
+ * original mode.
+ */
+
+void igt_set_vt_graphics_mode(void)
+{
+	igt_install_exit_handler(restore_vt_mode_at_exit);
+
+	igt_disable_exit_handler();
+	orig_vt_mode = set_vt_mode(KD_GRAPHICS);
+	if (orig_vt_mode < 0)
+		orig_vt_mode = -1UL;
+	igt_enable_exit_handler();
+
+	igt_assert(orig_vt_mode >= 0);
+}
+
+int kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
+				      drmModeModeInfo *mode)
+{
+	drmModeRes *resources;
+	int i;
+
+	resources = drmModeGetResources(drm_fd);
+	if (!resources) {
+		perror("drmModeGetResources failed");
+
+		return -1;
+	}
+
+	if (!connector->count_modes) {
+		fprintf(stderr, "no modes for connector %d\n",
+			connector->connector_id);
+		drmModeFreeResources(resources);
+
+		return -1;
+	}
+
+	for (i = 0; i < connector->count_modes; i++) {
+		if (i == 0 ||
+		    connector->modes[i].type & DRM_MODE_TYPE_PREFERRED) {
+			*mode = connector->modes[i];
+			if (mode->type & DRM_MODE_TYPE_PREFERRED)
+				break;
+		}
+	}
+
+	drmModeFreeResources(resources);
+
+	return 0;
+}
+
+int kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
+				 unsigned long crtc_idx_mask,
+				 struct kmstest_connector_config *config)
+{
+	drmModeRes *resources;
+	drmModeConnector *connector;
+	drmModeEncoder *encoder;
+	int i, j;
+
+	resources = drmModeGetResources(drm_fd);
+	if (!resources) {
+		perror("drmModeGetResources failed");
+		goto err1;
+	}
+
+	/* First, find the connector & mode */
+	connector = drmModeGetConnector(drm_fd, connector_id);
+	if (!connector)
+		goto err2;
+
+	if (connector->connection != DRM_MODE_CONNECTED)
+		goto err3;
+
+	if (!connector->count_modes) {
+		fprintf(stderr, "connector %d has no modes\n", connector_id);
+		goto err3;
+	}
+
+	if (connector->connector_id != connector_id) {
+		fprintf(stderr, "connector id doesn't match (%d != %d)\n",
+			connector->connector_id, connector_id);
+		goto err3;
+	}
+
+	/*
+	 * Find given CRTC if crtc_id != 0 or else the first CRTC not in use.
+	 * In both cases find the first compatible encoder and skip the CRTC
+	 * if there is non such.
+	 */
+	encoder = NULL;		/* suppress GCC warning */
+	for (i = 0; i < resources->count_crtcs; i++) {
+		if (!resources->crtcs[i] || !(crtc_idx_mask & (1 << i)))
+			continue;
+
+		/* Now get a compatible encoder */
+		for (j = 0; j < connector->count_encoders; j++) {
+			encoder = drmModeGetEncoder(drm_fd,
+						    connector->encoders[j]);
+
+			if (!encoder) {
+				fprintf(stderr, "could not get encoder %d: %s\n",
+					resources->encoders[j], strerror(errno));
+
+				continue;
+			}
+
+			if (encoder->possible_crtcs & (1 << i))
+				goto found;
+
+			drmModeFreeEncoder(encoder);
+		}
+	}
+
+	goto err3;
+
+found:
+	if (kmstest_get_connector_default_mode(drm_fd, connector,
+				       &config->default_mode) < 0)
+		goto err4;
+
+	config->connector = connector;
+	config->encoder = encoder;
+	config->crtc = drmModeGetCrtc(drm_fd, resources->crtcs[i]);
+	config->crtc_idx = i;
+	config->pipe = kmstest_get_pipe_from_crtc_id(drm_fd,
+						     config->crtc->crtc_id);
+
+	drmModeFreeResources(resources);
+
+	return 0;
+err4:
+	drmModeFreeEncoder(encoder);
+err3:
+	drmModeFreeConnector(connector);
+err2:
+	drmModeFreeResources(resources);
+err1:
+	return -1;
+}
+
+void kmstest_free_connector_config(struct kmstest_connector_config *config)
+{
+	drmModeFreeCrtc(config->crtc);
+	drmModeFreeEncoder(config->encoder);
+	drmModeFreeConnector(config->connector);
+}
+
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
new file mode 100644
index 00000000..f61f8e53
--- /dev/null
+++ b/lib/igt_kms.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright © 2013 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.
+ *
+ */
+
+#ifndef __IGT_KMS_H__
+#define __IGT_KMS_H__
+
+#include <cairo.h>
+
+struct kmstest_connector_config {
+	drmModeCrtc *crtc;
+	drmModeConnector *connector;
+	drmModeEncoder *encoder;
+	drmModeModeInfo default_mode;
+	int crtc_idx;
+	int pipe;
+};
+
+int kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
+				      drmModeModeInfo *mode);
+int kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
+				 unsigned long crtc_idx_mask,
+				 struct kmstest_connector_config *config);
+void kmstest_free_connector_config(struct kmstest_connector_config *config);
+
+/* helpers to create nice-looking framebuffers */
+struct kmstest_fb {
+	uint32_t fb_id;
+	uint32_t gem_handle;
+	uint32_t drm_format;
+	int width;
+	int height;
+	int depth;
+	unsigned stride;
+	unsigned tiling;
+	unsigned size;
+	cairo_t *cairo_ctx;
+};
+
+enum kmstest_text_align {
+	align_left,
+	align_bottom	= align_left,
+	align_right	= 0x01,
+	align_top	= 0x02,
+	align_vcenter	= 0x04,
+	align_hcenter	= 0x08,
+};
+
+int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
+			       double yspacing, const char *fmt, ...)
+			       __attribute__((format (printf, 4, 5)));
+
+unsigned int kmstest_create_fb(int fd, int width, int height, int bpp,
+			       int depth, bool tiled,
+			       struct kmstest_fb *fb_info);
+unsigned int kmstest_create_fb2(int fd, int width, int height, uint32_t format,
+			        bool tiled, struct kmstest_fb *fb);
+void kmstest_remove_fb(int fd, struct kmstest_fb *fb_info);
+cairo_t *kmstest_get_cairo_ctx(int fd, struct kmstest_fb *fb);
+void kmstest_paint_color(cairo_t *cr, int x, int y, int w, int h,
+			 double r, double g, double b);
+void kmstest_paint_color_alpha(cairo_t *cr, int x, int y, int w, int h,
+			       double r, double g, double b, double a);
+void kmstest_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
+				  int r, int g, int b);
+void kmstest_paint_test_pattern(cairo_t *cr, int width, int height);
+void kmstest_paint_image(cairo_t *cr, const char *filename,
+			 int dst_x, int dst_y, int dst_width, int dst_height);
+void kmstest_write_fb(int fd, struct kmstest_fb *fb, const char *filename);
+void kmstest_dump_mode(drmModeModeInfo *mode);
+int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id);
+const char *kmstest_format_str(uint32_t drm_format);
+const char *kmstest_pipe_str(int pipe);
+void kmstest_get_all_formats(const uint32_t **formats, int *format_count);
+const char *kmstest_encoder_type_str(int type);
+const char *kmstest_connector_status_str(int type);
+const char *kmstest_connector_type_str(int type);
+
+uint32_t drm_format_to_bpp(uint32_t drm_format);
+
+#endif /* __IGT_KMS_H__ */
+