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| author | Francisco Jerez <currojerez@riseup.net> | 2011-02-03 01:53:18 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-17 09:39:49 +1000 |
| commit | 87886221471495c26d517a7b3ce7c7aa56cc854f (patch) | |
| tree | 84510b6306a18c994d65bc3e42d6cb62214e0933 /drivers/gpu | |
| parent | 812f219a0f8a74a558c35be7942a07232ba348a5 (diff) | |
| download | linux-87886221471495c26d517a7b3ce7c7aa56cc854f.tar.gz linux-87886221471495c26d517a7b3ce7c7aa56cc854f.tar.bz2 linux-87886221471495c26d517a7b3ce7c7aa56cc854f.zip | |
drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode.
Reported-by: Alex Buell <alex.buell@munted.org.uk>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_dfp.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index ef23550407b5..c82db37d9f41 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -342,8 +342,8 @@ static void nv04_dfp_mode_set(struct drm_encoder *encoder, if (nv_encoder->dcb->type == OUTPUT_LVDS) { bool duallink, dummy; - nouveau_bios_parse_lvds_table(dev, nv_connector->native_mode-> - clock, &duallink, &dummy); + nouveau_bios_parse_lvds_table(dev, output_mode->clock, + &duallink, &dummy); if (duallink) regp->fp_control |= (8 << 28); } else @@ -518,8 +518,6 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) return; if (nv_encoder->dcb->lvdsconf.use_power_scripts) { - struct nouveau_connector *nv_connector = nouveau_encoder_connector_get(nv_encoder); - /* when removing an output, crtc may not be set, but PANEL_OFF * must still be run */ @@ -527,12 +525,8 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) nv04_dfp_get_bound_head(dev, nv_encoder->dcb); if (mode == DRM_MODE_DPMS_ON) { - if (!nv_connector->native_mode) { - NV_ERROR(dev, "Not turning on LVDS without native mode\n"); - return; - } call_lvds_script(dev, nv_encoder->dcb, head, - LVDS_PANEL_ON, nv_connector->native_mode->clock); + LVDS_PANEL_ON, nv_encoder->mode.clock); } else /* pxclk of 0 is fine for PANEL_OFF, and for a * disconnected LVDS encoder there is no native_mode |