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drm/i915: make FDI training a display function

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Rather than branching in ironlake_pch_enable, add a new train_fdi
function to the display function pointer struct and use it instead.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Jesse Barnes 2011-04-28 14:27:04 -07:00 committed by Keith Packard
parent 8eb572942c
commit 674cf96761
2 changed files with 4 additions and 5 deletions
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2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -208,7 +208,7 @@ struct drm_i915_display_funcs {
struct drm_display_mode *adjusted_mode,
int x, int y,
struct drm_framebuffer *old_fb);
void (*fdi_link_train)(struct drm_crtc *crtc);
/* clock updates for mode set */
/* cursor updates */
/* render clock increase/decrease */

7
drivers/gpu/drm/i915/intel_display.c
View File

@ -2469,10 +2469,7 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
u32 reg, temp;
/* For PCH output, training FDI link */
if (IS_GEN6(dev))
gen6_fdi_link_train(crtc);
else
ironlake_fdi_link_train(crtc);
dev_priv->display.fdi_link_train(crtc);
intel_enable_pch_pll(dev_priv, pipe);
@ -7431,6 +7428,7 @@ static void intel_init_display(struct drm_device *dev)
"Disable CxSR\n");
dev_priv->display.update_wm = NULL;
}
dev_priv->display.fdi_link_train = ironlake_fdi_link_train;
} else if (IS_GEN6(dev)) {
if (SNB_READ_WM0_LATENCY()) {
dev_priv->display.update_wm = sandybridge_update_wm;
@ -7439,6 +7437,7 @@ static void intel_init_display(struct drm_device *dev)
"Disable CxSR\n");
dev_priv->display.update_wm = NULL;
}
dev_priv->display.fdi_link_train = gen6_fdi_link_train;
} else
dev_priv->display.update_wm = NULL;
} else if (IS_PINEVIEW(dev)) {