[Intel-gfx] [PATCH 02/14] drm/i915: support 3 pipes on IVB+
Jesse Barnes
jbarnes at virtuousgeek.org
Wed Oct 19 17:12:03 CEST 2011
Well almost anyway. IVB has 3 planes, pipes, transcoders, and FDI
interfaces, but only 2 pipe PLLs. So two of the pipes must use the same
pipe timings (e.g. 2 DP plus one other, or two HDMI with the same mode
and one other, etc.).
Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
drivers/gpu/drm/i915/i915_dma.c | 4 +++-
drivers/gpu/drm/i915/i915_drv.h | 4 ++--
drivers/gpu/drm/i915/intel_display.c | 7 +++++++
drivers/gpu/drm/i915/intel_dp.c | 2 +-
drivers/gpu/drm/i915/intel_hdmi.c | 2 +-
drivers/gpu/drm/i915/intel_lvds.c | 8 +++++---
drivers/gpu/drm/i915/intel_sdvo.c | 2 +-
7 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index d76da38..2eac955 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -2035,7 +2035,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
spin_lock_init(&dev_priv->error_lock);
spin_lock_init(&dev_priv->rps_lock);
- if (IS_MOBILE(dev) || !IS_GEN2(dev))
+ if (IS_IVYBRIDGE(dev))
+ dev_priv->num_pipe = 3;
+ else if (IS_MOBILE(dev) || !IS_GEN2(dev))
dev_priv->num_pipe = 2;
else
dev_priv->num_pipe = 1;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 15c0ca5..1ad6be1 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -676,8 +676,8 @@ typedef struct drm_i915_private {
u32 pch_pf_pos, pch_pf_size;
int panel_t3, panel_t12;
- struct drm_crtc *plane_to_crtc_mapping[2];
- struct drm_crtc *pipe_to_crtc_mapping[2];
+ struct drm_crtc *plane_to_crtc_mapping[3];
+ struct drm_crtc *pipe_to_crtc_mapping[3];
wait_queue_head_t pending_flip_queue;
bool flip_pending_is_done;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0fe347f..4004f33 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2084,6 +2084,7 @@ static int ironlake_update_plane(struct drm_crtc *crtc,
switch (plane) {
case 0:
case 1:
+ case 2:
break;
default:
DRM_ERROR("Can't update plane %d in SAREA\n", plane);
@@ -2183,6 +2184,10 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
case 0:
case 1:
break;
+ case 2:
+ if (IS_IVYBRIDGE(dev))
+ break;
+ /* fall through otherwise */
default:
DRM_ERROR("no plane for crtc\n");
return -EINVAL;
@@ -2879,6 +2884,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
else if (pipe == 1 && (temp & TRANSB_DPLL_ENABLE) == 0)
temp |= (TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+ else if (pipe == 2 && (temp & TRANSC_DPLL_ENABLE) == 0)
+ temp |= (TRANSC_DPLL_ENABLE | TRANSC_DPLLB_SEL);
I915_WRITE(PCH_DPLL_SEL, temp);
}
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 6cbde9f..f4b873b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2000,7 +2000,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
if (is_edp(intel_dp))
intel_encoder->clone_mask = (1 << INTEL_EDP_CLONE_BIT);
- intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
+ intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
connector->interlace_allowed = true;
connector->doublescan_allowed = 0;
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 75026ba..185c5aa 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -514,7 +514,7 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
connector->polled = DRM_CONNECTOR_POLL_HPD;
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
- intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
+ intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
/* Set up the DDC bus. */
if (sdvox_reg == SDVOB) {
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 31da77f..42f165a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -888,9 +888,11 @@ bool intel_lvds_init(struct drm_device *dev)
intel_encoder->type = INTEL_OUTPUT_LVDS;
intel_encoder->clone_mask = (1 << INTEL_LVDS_CLONE_BIT);
- intel_encoder->crtc_mask = (1 << 1);
- if (INTEL_INFO(dev)->gen >= 5)
- intel_encoder->crtc_mask |= (1 << 0);
+ if (HAS_PCH_SPLIT(dev))
+ intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+ else
+ intel_encoder->crtc_mask = (1 << 1);
+
drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs);
drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index aa94110..389d34e 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2244,7 +2244,7 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
bytes[0], bytes[1]);
return false;
}
- intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
+ intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
return true;
}
--
1.7.4.1
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