On Fri, Oct 04, 2013 at 11:11:32AM -0700, Todd Previte wrote:
> On 10/4/13 3:45 AM, Chris Wilson wrote:
> >On Fri, Oct 04, 2013 at 03:32:10AM -0700, Todd Previte wrote:
> >>This initial patch adds support for automated testing of the source device
> >>to the i915 driver. Most of this patch is infrastructure for the tests;
> >>follow up patches will add support for the individual tests with updates
> >>to ACK the tests that are supported (or NAK if the test
> >>fails/is unsupported).
> >>
> >>Signed-off-by: Todd Previte <tprevite@xxxxxxxxx>
> >>---
> >> drivers/gpu/drm/i915/intel_dp.c | 108 +++++++++++++++++++++++++++++++++++++++-
> >> include/drm/drm_dp_helper.h | 3 +-
> >> 2 files changed, 108 insertions(+), 3 deletions(-)
> >>
> >>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> >>index 9770160..a042d59 100644
> >>--- a/drivers/gpu/drm/i915/intel_dp.c
> >>+++ b/drivers/gpu/drm/i915/intel_dp.c
> >>@@ -64,6 +64,26 @@ static const struct dp_link_dpll vlv_dpll[] = {
> >> { .p1 = 2, .p2 = 2, .n = 1, .m1 = 2, .m2 = 27 } }
> >> };
> >>
> >>+/******************************************************************************
> >>+******** Displayport automated testing ********
> >>+******************************************************************************/
> >>+/* Automated testing function - link training */
> >>+static bool
> >>+intel_dp_autotest_link_training(struct intel_dp *intel_dp);
> >The function comment does little more than spell out the function name.
> >What I would prefer to see is a theory-of-operation in the block
> >comment. And all these forward declarations can disappear with clear
> >ordering in the source code.
> >-Chris
> >
> I wasn't sure which way to go with this and opted for the
> declarations, but it's just as easy to reorder the definitions to be
> prior to their use in the handler. I'll get that fixed up and add
> more useful comments above the functions for V2. Thanks Chris.
>
>
> -T
Since it sounds like you have a v2 in the works anyway, can you please
change printk to DRM_DEBUG_KMS.
--
Ben Widawsky, Intel Open Source Technology Center
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