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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-09-23 17:48:20 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-10-01 07:45:12 +0200
commit773ae0346576a19b6a5e10adb0f63deca603ee00 (patch)
tree2ca6194f8353eb702250870116bc53edb36d66a4 /drivers/gpu/drm/i915/intel_display.c
parent18b5992c37560dffc52b84dec7f83738847cf5c7 (diff)
downloadblackbird-op-linux-773ae0346576a19b6a5e10adb0f63deca603ee00.tar.gz
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drm/i915: Fix intel_crtc_mode_get() mode clock
i9xx_crtc_clock_get() no longer populates adjusted_mode.clock, so we must get the pixel clock from port_clock in intel_crtc_mode_get(). This bug caused Chris's 845g machine to lockup during boot, and it was introduced in: commit 18442d08786472c63a0a80c27f92b033dffc26de Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Fri Sep 13 16:00:08 2013 +0300 drm/i915: Fix port_clock and adjusted_mode.clock readout all over Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=69713 Tested-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5a9683761c8f..a3f21a508d0e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7543,7 +7543,7 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe));
i9xx_crtc_clock_get(intel_crtc, &pipe_config);
- mode->clock = pipe_config.adjusted_mode.clock;
+ mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier;
mode->hdisplay = (htot & 0xffff) + 1;
mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
mode->hsync_start = (hsync & 0xffff) + 1;
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