Move the drm_display_mode <-> drm_mode_modeinfo conversion functions from drm_crtc.c to drm_modes.c, and make them non-static so that others can use them.
Signed-off-by: Daniel Stone daniels@collabora.com Tested-by: Sean Paul seanpaul@chromium.org --- drivers/gpu/drm/drm_crtc.c | 95 ++------------------------------------------- drivers/gpu/drm/drm_modes.c | 87 +++++++++++++++++++++++++++++++++++++++++ include/drm/drm_modes.h | 4 ++ 3 files changed, 95 insertions(+), 91 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 9ab2fc6..def7be8 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1736,93 +1736,6 @@ void drm_reinit_primary_mode_group(struct drm_device *dev) EXPORT_SYMBOL(drm_reinit_primary_mode_group);
/** - * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo - * @out: drm_mode_modeinfo struct to return to the user - * @in: drm_display_mode to use - * - * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to - * the user. - */ -static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, - const struct drm_display_mode *in) -{ - WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || - in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || - in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || - in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || - in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, - "timing values too large for mode info\n"); - - out->clock = in->clock; - out->hdisplay = in->hdisplay; - out->hsync_start = in->hsync_start; - out->hsync_end = in->hsync_end; - out->htotal = in->htotal; - out->hskew = in->hskew; - out->vdisplay = in->vdisplay; - out->vsync_start = in->vsync_start; - out->vsync_end = in->vsync_end; - out->vtotal = in->vtotal; - out->vscan = in->vscan; - out->vrefresh = in->vrefresh; - out->flags = in->flags; - out->type = in->type; - strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); - out->name[DRM_DISPLAY_MODE_LEN-1] = 0; -} - -/** - * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode - * @out: drm_display_mode to return to the user - * @in: drm_mode_modeinfo to use - * - * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to - * the caller. - * - * Returns: - * Zero on success, negative errno on failure. - */ -static int drm_crtc_convert_umode(struct drm_display_mode *out, - const struct drm_mode_modeinfo *in) -{ - int ret = -EINVAL; - - if (in->clock > INT_MAX || in->vrefresh > INT_MAX) { - ret = -ERANGE; - goto out; - } - - if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) - goto out; - - out->clock = in->clock; - out->hdisplay = in->hdisplay; - out->hsync_start = in->hsync_start; - out->hsync_end = in->hsync_end; - out->htotal = in->htotal; - out->hskew = in->hskew; - out->vdisplay = in->vdisplay; - out->vsync_start = in->vsync_start; - out->vsync_end = in->vsync_end; - out->vtotal = in->vtotal; - out->vscan = in->vscan; - out->vrefresh = in->vrefresh; - out->flags = in->flags; - out->type = in->type; - strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); - out->name[DRM_DISPLAY_MODE_LEN-1] = 0; - - out->status = drm_mode_validate_basic(out); - if (out->status != MODE_OK) - goto out; - - ret = 0; - -out: - return ret; -} - -/** * drm_mode_getresources - get graphics configuration * @dev: drm device for the ioctl * @data: data pointer for the ioctl @@ -2048,7 +1961,7 @@ int drm_mode_getcrtc(struct drm_device *dev, crtc_resp->x = crtc->primary->state->src_x >> 16; crtc_resp->y = crtc->primary->state->src_y >> 16; if (crtc->state->enable) { - drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); + drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); crtc_resp->mode_valid = 1;
} else { @@ -2058,7 +1971,7 @@ int drm_mode_getcrtc(struct drm_device *dev, crtc_resp->x = crtc->x; crtc_resp->y = crtc->y; if (crtc->enabled) { - drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); + drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); crtc_resp->mode_valid = 1;
} else { @@ -2215,7 +2128,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (!drm_mode_expose_to_userspace(mode, file_priv)) continue;
- drm_crtc_convert_to_umode(&u_mode, mode); + drm_mode_convert_to_umode(&u_mode, mode); if (copy_to_user(mode_ptr + copied, &u_mode, sizeof(u_mode))) { ret = -EFAULT; @@ -2826,7 +2739,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, goto out; }
- ret = drm_crtc_convert_umode(mode, &crtc_req->mode); + ret = drm_mode_convert_umode(mode, &crtc_req->mode); if (ret) { DRM_DEBUG_KMS("Invalid mode\n"); goto out; diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 213b11e..cd74a09 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -1405,3 +1405,90 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev, return mode; } EXPORT_SYMBOL(drm_mode_create_from_cmdline_mode); + +/** + * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo + * @out: drm_mode_modeinfo struct to return to the user + * @in: drm_display_mode to use + * + * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to + * the user. + */ +void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out, + const struct drm_display_mode *in) +{ + WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || + in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || + in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || + in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || + in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, + "timing values too large for mode info\n"); + + out->clock = in->clock; + out->hdisplay = in->hdisplay; + out->hsync_start = in->hsync_start; + out->hsync_end = in->hsync_end; + out->htotal = in->htotal; + out->hskew = in->hskew; + out->vdisplay = in->vdisplay; + out->vsync_start = in->vsync_start; + out->vsync_end = in->vsync_end; + out->vtotal = in->vtotal; + out->vscan = in->vscan; + out->vrefresh = in->vrefresh; + out->flags = in->flags; + out->type = in->type; + strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); + out->name[DRM_DISPLAY_MODE_LEN-1] = 0; +} + +/** + * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode + * @out: drm_display_mode to return to the user + * @in: drm_mode_modeinfo to use + * + * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to + * the caller. + * + * Returns: + * Zero on success, negative errno on failure. + */ +int drm_mode_convert_umode(struct drm_display_mode *out, + const struct drm_mode_modeinfo *in) +{ + int ret = -EINVAL; + + if (in->clock > INT_MAX || in->vrefresh > INT_MAX) { + ret = -ERANGE; + goto out; + } + + if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) + goto out; + + out->clock = in->clock; + out->hdisplay = in->hdisplay; + out->hsync_start = in->hsync_start; + out->hsync_end = in->hsync_end; + out->htotal = in->htotal; + out->hskew = in->hskew; + out->vdisplay = in->vdisplay; + out->vsync_start = in->vsync_start; + out->vsync_end = in->vsync_end; + out->vtotal = in->vtotal; + out->vscan = in->vscan; + out->vrefresh = in->vrefresh; + out->flags = in->flags; + out->type = in->type; + strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); + out->name[DRM_DISPLAY_MODE_LEN-1] = 0; + + out->status = drm_mode_validate_basic(out); + if (out->status != MODE_OK) + goto out; + + ret = 0; + +out: + return ret; +} \ No newline at end of file diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index 0616188..08a8cac 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -182,6 +182,10 @@ struct drm_cmdline_mode;
struct drm_display_mode *drm_mode_create(struct drm_device *dev); void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); +void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out, + const struct drm_display_mode *in); +int drm_mode_convert_umode(struct drm_display_mode *out, + const struct drm_mode_modeinfo *in); void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); void drm_mode_debug_printmodeline(const struct drm_display_mode *mode);