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drm/i915: use transcoder select bits on VGA and HDMI on CPT 

Required for 3 pipe functionality.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-By: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-By: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Jesse Barnes 2011-10-12 09:01:58 -07:00 committed by Keith Packard
parent d9d444cbc5
commit 75770564c9
2 changed files with 11 additions and 17 deletions
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18
drivers/gpu/drm/i915/intel_crt.c
View File

@ -152,17 +152,13 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
adpa |= ADPA_VSYNC_ACTIVE_HIGH;
if (intel_crtc->pipe == 0) {
if (HAS_PCH_CPT(dev))
adpa |= PORT_TRANS_A_SEL_CPT;
else
adpa |= ADPA_PIPE_A_SELECT;
} else {
if (HAS_PCH_CPT(dev))
adpa |= PORT_TRANS_B_SEL_CPT;
else
adpa |= ADPA_PIPE_B_SELECT;
}
/* For CPT allow 3 pipe config, for others just use A or B */
if (HAS_PCH_CPT(dev))
adpa |= PORT_TRANS_SEL_CPT(intel_crtc->pipe);
else if (intel_crtc->pipe == 0)
adpa |= ADPA_PIPE_A_SELECT;
else
adpa |= ADPA_PIPE_B_SELECT;
if (!HAS_PCH_SPLIT(dev))
I915_WRITE(BCLRPAT(intel_crtc->pipe), 0);

10
drivers/gpu/drm/i915/intel_hdmi.c
View File

@ -252,12 +252,10 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
intel_write_eld(encoder, adjusted_mode);
}
if (intel_crtc->pipe == 1) {
if (HAS_PCH_CPT(dev))
sdvox |= PORT_TRANS_B_SEL_CPT;
else
sdvox |= SDVO_PIPE_B_SELECT;
}
if (HAS_PCH_CPT(dev))
sdvox |= PORT_TRANS_SEL_CPT(intel_crtc->pipe);
else if (intel_crtc->pipe == 1)
sdvox |= SDVO_PIPE_B_SELECT;
I915_WRITE(intel_hdmi->sdvox_reg, sdvox);
POSTING_READ(intel_hdmi->sdvox_reg);