[PATCH 0/6] drm/radeon: minor HDMI improvements

[Alex Deucher]

On Sat, Apr 13, 2013 at 7:26 PM, Rafał Miłecki <zajec5 at gmail.com> wrote:
> I've managed to track fglrx operations on HDMI regs, so we can finally setup
> everything in (hopefully) the correct way and order.
>
> This changes HDMI setup on Evergreen to mostly match fglrx and was tested on:
> 1) AMD Radeon HD 6320 (PALM == DCE41)
> 2) AMD Radeon HD 6970M (BARTS == DCE5)
> No regressions noticed, I can still play audio, including LPCM, AC3 and DTS.
>
> Unfortunately I don't have any DCE4 hardware to test this, but that changes
> shouldn't cause any regressions. I hope that with such improvements we will
> finally able to enable audio by default.

I've applied patches 1, 4, 5, 6.  For patch 2, I'd prefer we just not
enable the interrupts rather than removing the code altogether at this
point.  See the attached patch.  For patch 3, none of the registers
mentioned are directly related to audio setup.

Alex

>
> Rafał Miłecki (6):
>   drm/radeon: add helpers for masking and setting bits in regs
>   drm/radeon: remove HDMI interrupts on Evergreen
>   drm/radeon: add some HDMI comments
>   drm/radeon/evergreen: setup HDMI before enabling it
>   drm/radeon/evergreen: reorder HDMI setup
>   drm/radeon/evergreen: write default channel numbers
>
>  drivers/gpu/drm/radeon/evergreen.c      |  127 +------------------------------
>  drivers/gpu/drm/radeon/evergreen_hdmi.c |   77 +++++++++++++++----
>  drivers/gpu/drm/radeon/evergreend.h     |    1 +
>  drivers/gpu/drm/radeon/r600_hdmi.c      |   16 ++--
>  drivers/gpu/drm/radeon/radeon.h         |    2 +
>  drivers/gpu/drm/radeon/radeon_display.c |    5 ++
>  6 files changed, 76 insertions(+), 152 deletions(-)
>
> --
> 1.7.10.4
>
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