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path: root/drivers/gpu/drm/drm_fb_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c39
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 1b49fa055f4f..50549703584f 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -27,6 +27,7 @@
* Dave Airlie <airlied@linux.ie>
* Jesse Barnes <jesse.barnes@intel.com>
*/
+#include <linux/kernel.h>
#include <linux/sysrq.h>
#include <linux/fb.h>
#include "drmP.h"
@@ -50,21 +51,6 @@ int drm_fb_helper_add_connector(struct drm_connector *connector)
}
EXPORT_SYMBOL(drm_fb_helper_add_connector);
-static int my_atoi(const char *name)
-{
- int val = 0;
-
- for (;; name++) {
- switch (*name) {
- case '0' ... '9':
- val = 10*val+(*name-'0');
- break;
- default:
- return val;
- }
- }
-}
-
/**
* drm_fb_helper_connector_parse_command_line - parse command line for connector
* @connector - connector to parse line for
@@ -111,7 +97,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
namelen = i;
if (!refresh_specified && !bpp_specified &&
!yres_specified) {
- refresh = my_atoi(&name[i+1]);
+ refresh = simple_strtol(&name[i+1], NULL, 10);
refresh_specified = 1;
if (cvt || rb)
cvt = 0;
@@ -121,7 +107,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
case '-':
namelen = i;
if (!bpp_specified && !yres_specified) {
- bpp = my_atoi(&name[i+1]);
+ bpp = simple_strtol(&name[i+1], NULL, 10);
bpp_specified = 1;
if (cvt || rb)
cvt = 0;
@@ -130,7 +116,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
break;
case 'x':
if (!yres_specified) {
- yres = my_atoi(&name[i+1]);
+ yres = simple_strtol(&name[i+1], NULL, 10);
yres_specified = 1;
} else
goto done;
@@ -156,7 +142,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
force = DRM_FORCE_ON;
break;
case 'D':
- if ((connector->connector_type != DRM_MODE_CONNECTOR_DVII) ||
+ if ((connector->connector_type != DRM_MODE_CONNECTOR_DVII) &&
(connector->connector_type != DRM_MODE_CONNECTOR_HDMIB))
force = DRM_FORCE_ON;
else
@@ -170,7 +156,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
}
}
if (i < 0 && yres_specified) {
- xres = my_atoi(name);
+ xres = simple_strtol(name, NULL, 10);
res_specified = 1;
}
done:
@@ -389,7 +375,7 @@ int drm_fb_helper_blank(int blank, struct fb_info *info)
break;
/* Display: Off; HSync: On, VSync: On */
case FB_BLANK_NORMAL:
- drm_fb_helper_off(info, DRM_MODE_DPMS_ON);
+ drm_fb_helper_off(info, DRM_MODE_DPMS_STANDBY);
break;
/* Display: Off; HSync: Off, VSync: On */
case FB_BLANK_HSYNC_SUSPEND:
@@ -606,11 +592,10 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
return -EINVAL;
/* Need to resize the fb object !!! */
- if (var->xres > fb->width || var->yres > fb->height) {
- DRM_ERROR("Requested width/height is greater than current fb "
- "object %dx%d > %dx%d\n", var->xres, var->yres,
- fb->width, fb->height);
- DRM_ERROR("Need resizing code.\n");
+ if (var->bits_per_pixel > fb->bits_per_pixel || var->xres > fb->width || var->yres > fb->height) {
+ DRM_DEBUG("fb userspace requested width/height/bpp is greater than current fb "
+ "object %dx%d-%d > %dx%d-%d\n", var->xres, var->yres, var->bits_per_pixel,
+ fb->width, fb->height, fb->bits_per_pixel);
return -EINVAL;
}
@@ -695,7 +680,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
int i;
if (var->pixclock != 0) {
- DRM_ERROR("PIXEL CLCOK SET\n");
+ DRM_ERROR("PIXEL CLOCK SET\n");
return -EINVAL;
}