drm/i915: fixup assert_pipe to take the pipe A quirk into account
This was completely spamming dmesg on my i855gm. This issue was just
shortly introduced with:
commit 931872fceabacf2d4f8b6fbd51611c167e83164c
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>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index cfd3a87..ebb3452 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -936,6 +936,10 @@
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);