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drm/i915: fixup assert_pipe to take the pipe A quirk into account

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This was completely spamming dmesg on my i855gm. This issue was just
shortly introduced with:

commit 931872fcea
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Mon Jan 16 23:01:13 2012 +0000

    drm/i915: Check that plane/pipe is disabled before removing the fb

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-01-22 01:36:48 +01:00
parent aca258482e
commit 8e636784b6
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_display.c
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@ -936,6 +936,10 @@ void assert_pipe(struct drm_i915_private *dev_priv,
u32 val;
bool cur_state;
/* if we need the pipe A quirk it must be always on */
if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE)
state = true;
reg = PIPECONF(pipe);
val = I915_READ(reg);
cur_state = !!(val & PIPECONF_ENABLE);