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-rw-r--r--drivers/gpu/drm/gma500/psb_intel_sdvo.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
index 20d536618701..4882b29119e0 100644
--- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -1876,6 +1876,13 @@ static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
static void
psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo)
{
+ /* FIXME: At the moment, ddc_bus = 2 is the only thing that works.
+ * We need to figure out if this is true for all available poulsbo
+ * hardware, or if we need to fiddle with the guessing code above.
+ * The problem might go away if we can parse sdvo mappings from bios */
+ sdvo->ddc_bus = 2;
+
+#if 0
uint16_t mask = 0;
unsigned int num_bits;
@@ -1907,6 +1914,7 @@ psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo)
/* Corresponds to SDVO_CONTROL_BUS_DDCx */
sdvo->ddc_bus = 1 << num_bits;
+#endif
}
/**