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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-27 01:18:18 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-27 01:18:18 +0400
commitbd22dc17e49973d3d4925970260e9e37f7580a9f (patch)
tree581a7c7527f628aa91eb2e0680b765a9673bc974 /drivers/gpu/drm/radeon/atombios_dp.c
parent548ed10228093f1036297a333d1c1064f4daefdc (diff)
parent98c7b42375011ec37251e6fc85a0471cfe499eea (diff)
downloadlinux-bd22dc17e49973d3d4925970260e9e37f7580a9f.tar.xz
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "One of the smaller drm -next pulls in ages! Ben (nouveau) has a rewrite in progress but we decided to leave it stew for another cycle, so just some fixes from him. - radeon: lots of documentation work, fixes, more ring and locking changes, pcie gen2, more dp fixes. - i915: haswell features, gpu reset fixes, /dev/agpgart removal on machines that we never used it on, more VGA/HDP fix., more DP fixes - drm core: cleanups from Daniel, sis 64-bit fixes, range allocator colouring. but yeah fairly quiet merge this time, probably because I missed half of it!" Trivial add-add conflict in include/linux/pci_regs.h * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (255 commits) drm/nouveau: init vblank requests list drm/nv50: extend vblank semaphore to generic dmaobj + offset pair drm/nouveau: mark most of our ioctls as deprecated, move to compat layer drm/nouveau: move current gpuobj code out of nouveau_object.c drm/nouveau/gem: fix object reference leak in a failure path drm/nv50: rename INVALID_QUERY_OR_TEXTURE error to INVALID_OPERATION drm/nv84: decode PCRYPT errors drm/nouveau: dcb table quirk for fdo#50830 nouveau: Fix alignment requirements on src and dst addresses drm/i915: unbreak lastclose for failed driver init drm/i915: Set the context before setting up regs for the context. drm/i915: constify mode in crtc_mode_fixup drm/i915/lvds: ditch ->prepare special case drm/i915: dereferencing an error pointer drm/i915: fix invalid reference handling of the default ctx obj drm/i915: Add -EIO to the list of known errors for __wait_seqno drm/i915: Flush the context object from the CPU caches upon switching drm/radeon: fix dpms on/off on trinity/aruba v2 drm/radeon: on hotplug force link training to happen (v2) drm/radeon: fix hotplug of DP to DVI|HDMI passive adapters (v2) ...
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 5131b3b0f7d2..7712cf5ab33b 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -22,6 +22,7 @@
*
* Authors: Dave Airlie
* Alex Deucher
+ * Jerome Glisse
*/
#include "drmP.h"
#include "radeon_drm.h"
@@ -608,7 +609,7 @@ int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
}
void radeon_dp_set_link_config(struct drm_connector *connector,
- struct drm_display_mode *mode)
+ const struct drm_display_mode *mode)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector;
@@ -654,7 +655,6 @@ static bool radeon_dp_get_link_status(struct radeon_connector *radeon_connector,
ret = radeon_dp_aux_native_read(radeon_connector, DP_LANE0_1_STATUS,
link_status, DP_LINK_STATUS_SIZE, 100);
if (ret <= 0) {
- DRM_ERROR("displayport link status failed\n");
return false;
}
@@ -833,8 +833,10 @@ static int radeon_dp_link_train_cr(struct radeon_dp_link_train_info *dp_info)
else
mdelay(dp_info->rd_interval * 4);
- if (!radeon_dp_get_link_status(dp_info->radeon_connector, dp_info->link_status))
+ if (!radeon_dp_get_link_status(dp_info->radeon_connector, dp_info->link_status)) {
+ DRM_ERROR("displayport link status failed\n");
break;
+ }
if (dp_clock_recovery_ok(dp_info->link_status, dp_info->dp_lane_count)) {
clock_recovery = true;
@@ -896,8 +898,10 @@ static int radeon_dp_link_train_ce(struct radeon_dp_link_train_info *dp_info)
else
mdelay(dp_info->rd_interval * 4);
- if (!radeon_dp_get_link_status(dp_info->radeon_connector, dp_info->link_status))
+ if (!radeon_dp_get_link_status(dp_info->radeon_connector, dp_info->link_status)) {
+ DRM_ERROR("displayport link status failed\n");
break;
+ }
if (dp_channel_eq_ok(dp_info->link_status, dp_info->dp_lane_count)) {
channel_eq = true;