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authorKristian Høgsberg <krh@redhat.com>2009-03-13 15:42:14 -0400
committerEric Anholt <eric@anholt.net>2009-03-27 14:45:14 -0700
commit13520b051e8888dd3af9bda639d83e7df76613d1 (patch)
tree3af9f049cfe7b2822065ba51426114f85a91fcb4 /drivers/gpu/drm/i915/intel_display.c
parentd490609321828c62e8dfa6220f0acd82e5cb3756 (diff)
drm/i915: Read the right SDVO register when detecting SVDO/HDMI.
This fixes incorrect detection of the second SDVO/HDMI output on G4X, and extra boot time on pre-G4X. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8e29545273b6..0d40b4b6979e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1735,13 +1735,21 @@ static void intel_setup_outputs(struct drm_device *dev)
if (IS_I9XX(dev)) {
int found;
+ u32 reg;
if (I915_READ(SDVOB) & SDVO_DETECTED) {
found = intel_sdvo_init(dev, SDVOB);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOB);
}
- if (!IS_G4X(dev) || (I915_READ(SDVOB) & SDVO_DETECTED)) {
+
+ /* Before G4X SDVOC doesn't have its own detect register */
+ if (IS_G4X(dev))
+ reg = SDVOC;
+ else
+ reg = SDVOB;
+
+ if (I915_READ(reg) & SDVO_DETECTED) {
found = intel_sdvo_init(dev, SDVOC);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOC);

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