From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> We need to read the correct register, not a register that doesn't exist and will trigger "Unclaimed register" messages when we touch it. Also rearrange the checks in an attempt to prevent this error from happening again. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_display.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) This patch is untested, but the "Uncalimed register" message is real, as long as we have the patch to print them. diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f19e6ea..2e05d1e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1095,12 +1095,13 @@ static void assert_cursor(struct drm_i915_private *dev_priv, struct drm_device *dev = dev_priv->dev; bool cur_state; - if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) - cur_state = I915_READ(CURCNTR_IVB(pipe)) & CURSOR_MODE; - else if (IS_845G(dev) || IS_I865G(dev)) + + if (IS_845G(dev) || IS_I865G(dev)) cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; - else + else if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; + else + cur_state = I915_READ(CURCNTR_IVB(pipe)) & CURSOR_MODE; WARN(cur_state != state, "cursor on pipe %c assertion failure (expected %s, current %s)\n", -- 1.8.5.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
