diff options
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index cd74a0953f42..ef6bd3656548 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -917,13 +917,30 @@ bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_displ } else if (mode1->clock != mode2->clock) return false; + return drm_mode_equal_no_clocks(mode1, mode2); +} +EXPORT_SYMBOL(drm_mode_equal); + +/** + * drm_mode_equal_no_clocks - test modes for equality + * @mode1: first mode + * @mode2: second mode + * + * Check to see if @mode1 and @mode2 are equivalent, but + * don't check the pixel clocks. + * + * Returns: + * True if the modes are equal, false otherwise. + */ +bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2) +{ if ((mode1->flags & DRM_MODE_FLAG_3D_MASK) != (mode2->flags & DRM_MODE_FLAG_3D_MASK)) return false; return drm_mode_equal_no_clocks_no_stereo(mode1, mode2); } -EXPORT_SYMBOL(drm_mode_equal); +EXPORT_SYMBOL(drm_mode_equal_no_clocks); /** * drm_mode_equal_no_clocks_no_stereo - test modes for equality @@ -1230,7 +1247,7 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option, unsigned int xres = 0, yres = 0, bpp = 32, refresh = 0; bool yres_specified = false, cvt = false, rb = false; bool interlace = false, margins = false, was_digit = false; - int i; + int i, err; enum drm_connector_force force = DRM_FORCE_UNSPECIFIED; #ifdef CONFIG_FB @@ -1250,7 +1267,9 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option, case '@': if (!refresh_specified && !bpp_specified && !yres_specified && !cvt && !rb && was_digit) { - refresh = simple_strtol(&name[i+1], NULL, 10); + err = kstrtouint(&name[i + 1], 10, &refresh); + if (err) + return false; refresh_specified = true; was_digit = false; } else @@ -1259,7 +1278,9 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option, case '-': if (!bpp_specified && !yres_specified && !cvt && !rb && was_digit) { - bpp = simple_strtol(&name[i+1], NULL, 10); + err = kstrtouint(&name[i + 1], 10, &bpp); + if (err) + return false; bpp_specified = true; was_digit = false; } else @@ -1267,7 +1288,9 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option, break; case 'x': if (!yres_specified && was_digit) { - yres = simple_strtol(&name[i+1], NULL, 10); + err = kstrtouint(&name[i + 1], 10, &yres); + if (err) + return false; yres_specified = true; was_digit = false; } else @@ -1491,4 +1514,4 @@ int drm_mode_convert_umode(struct drm_display_mode *out, out: return ret; -}
\ No newline at end of file +} |