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authorZhenyu Wang <zhenyuw@linux.intel.com>2010-04-07 16:15:54 +0800
committerEric Anholt <eric@anholt.net>2010-04-12 09:23:40 -0700
commit8db9d77b1b14fd730561f64beea8c00e4478d7c5 (patch)
tree2bcf1d1b4772c07d98d2ab462956c80a64bb0419 /drivers/gpu/drm/i915/intel_crt.c
parent3bad0781832e4e8c9a532f1169bfcd7257bcfd9e (diff)
drm/i915: Support for Cougarpoint PCH display pipeline
Cougarpoint is the new PCH for Sandybridge CPU. This one resolves the chipset change for display pipeline compared to previous Ibexpeak PCH. Sandybridge/Cougarpoint has different FDI training parameters, so this also makes seperate FDI training functions for IBX and CPT. Other change includes new transcoder DPLL select function to set which DPLL for transcoder to pick up. And with another new transcoder C introduced in Cougarpoint, each connector has new transcoder select bits. This one adds that change to light up VGA. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 4dd5daa8ebe7..1f732ba568f6 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -135,11 +135,17 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
adpa |= ADPA_VSYNC_ACTIVE_HIGH;
if (intel_crtc->pipe == 0) {
- adpa |= ADPA_PIPE_A_SELECT;
+ if (HAS_PCH_CPT(dev))
+ adpa |= PORT_TRANS_A_SEL_CPT;
+ else
+ adpa |= ADPA_PIPE_A_SELECT;
if (!HAS_PCH_SPLIT(dev))
I915_WRITE(BCLRPAT_A, 0);
} else {
- adpa |= ADPA_PIPE_B_SELECT;
+ if (HAS_PCH_CPT(dev))
+ adpa |= PORT_TRANS_B_SEL_CPT;
+ else
+ adpa |= ADPA_PIPE_B_SELECT;
if (!HAS_PCH_SPLIT(dev))
I915_WRITE(BCLRPAT_B, 0);
}