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drm/i915: Kill IRONLAKE_FDI_FREQ check

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ironlake_fdi_compute_config() already checks that we have enough
FDI bandwidth. And it doesn't just use a hardcoded value but takes
into account factors such as the actual FDI frequency, shared FDI
B/C lanes, etc.

Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2013-09-03 13:31:38 +03:00 committed by Daniel Vetter
parent 65ce4bf5a1
commit b315fedf01
1 changed files with 0 additions and 10 deletions
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10
drivers/gpu/drm/i915/intel_display.c
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@ -69,9 +69,6 @@ struct intel_limit {
intel_p2_t p2;
};
/* FDI */
#define IRONLAKE_FDI_FREQ 2700000 /* in kHz for mode->clock */
int
intel_pch_rawclk(struct drm_device *dev)
{
@ -4107,13 +4104,6 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
struct drm_device *dev = crtc->base.dev;
struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
if (HAS_PCH_SPLIT(dev)) {
/* FDI link clock is fixed at 2.7G */
if (pipe_config->requested_mode.clock * 3
> IRONLAKE_FDI_FREQ * 4)
return -EINVAL;
}
/* Cantiga+ cannot handle modes with a hsync front porch of 0.
* WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw.
*/