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4 Commits

Author SHA1 Message Date
Brian Starkey
e64053f05e drm: mali-dp: Clear CVAL when leaving config mode 
It's possible for CVAL to get set whilst we are in config mode. If this
happens, afer we leave config mode the HW will latch whatever
configuration is in the registers at the next vsync. Most likely this
will be a partial configuration, as we'll be racing against the ongoing
atomic_commit.

To avoid this, clear CVAL before leaving config mode.

Signed-off-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
 2016-11-08 11:40:02 +00:00
Brian Starkey
a228062cb4 drm: mali-dp: Add pitch alignment check function 
Different hardware versions have different requirements when it comes to
pitch alignment. Add a function which can be used to check pitch
alignment for a device.

Signed-off-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
 2016-11-04 17:08:06 +00:00
Laurent Pinchart
7ccf281fb1 drm/arm: mali-dp: Replace drm_fb_get_bpp_depth() with drm_format_plane_cpp() 
The driver doesn't need the color depth, only the number of bits per
pixel. Use the right API.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1476744081-24485-13-git-send-email-laurent.pinchart@ideasonboard.com
 2016-10-18 15:23:59 +05:30
Liviu Dudau
ad49f8602f drm/arm: Add support for Mali Display Processors 
Add support for the new family of Display Processors from ARM Ltd.
This commit adds basic support for Mali DP500, DP550 and DP650
parts, with only the display engine being supported at the moment.

Cc: David Brown <David.Brown@arm.com>
Cc: Brian Starkey <Brian.Starkey@arm.com>

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 2016-06-15 17:29:22 +01:00