linux-toradex.git/drivers/gpu/drm/rcar-du, branch v3.14.41

Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev into drm-next

2013-12-23T00:42:36+00:00

rcar misc changes.

* 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev:
  drm/rcar-du: Add support for the r8a7791 DU
  drm/rcar-du: Add LVDS_LANES quirk
  drm/rcar-du: Split features and quirks
  drm/rcar-du: Update plane pitch in .mode_set_base() operation
  drm/rcar-du: Don't cast crtc to rcrtc twice in the same function
  drm/rcar-du: fix return value check in rcar_du_lvdsenc_get_resources()

drm/rcar-du: Fix return value check in rcar_du_lvdsenc_get_resources()

2013-12-18T01:10:48+00:00

In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR(). Also remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun 
[Remove the unneeded mem == NULL check]
Signed-off-by: Laurent Pinchart 
Signed-off-by: Dave Airlie

drm/rcar: call drm_put_dev directly in the ->remove hook

2013-12-18T01:05:39+00:00

The magic dance drm_platform_exit does is actually a remnant of the
old legacy shadow attach support for platform devices. Modern modesetting
drm drivers shouldn't do this any more (and usb/pci devices actually don't
do this).

Cc: Laurent Pinchart 
Acked-by: Laurent Pinchart 
Signed-off-by: Daniel Vetter 
Signed-off-by: Dave Airlie

drm/rcar-du: Add support for the r8a7791 DU

2013-12-02T00:27:29+00:00

The r8a7791 DU is a stripped-down version of the r8a7790 DU with two
CRTCs and a single LVDS output.

Signed-off-by: Laurent Pinchart

drm/rcar-du: Add LVDS_LANES quirk

2013-12-02T00:27:28+00:00

LVDS lanes 1 and 3 are switched in ES1 hardware (R8A7790). The problem
has been fixed in newer revisions, add a quirk to make the workaround
selectable.

Signed-off-by: Laurent Pinchart

drm/rcar-du: Split features and quirks

2013-12-02T00:27:27+00:00

128-byte pitch alignement is not a hardware feature, it's a hardware
bug. Split it from the features field into a new quirks field. New
quirks will be added to support the R8A7791 SoC.

Signed-off-by: Laurent Pinchart

drm/rcar-du: Update plane pitch in .mode_set_base() operation

2013-12-02T00:27:26+00:00

When setting a new frame buffer with the mode set base operation the
pitch value might change. Set the hardware plane pitch register at the
same time as the plane base address in the rcar_du_plane_update_base()
function to make sure the pitch value always matches the frame buffer.

Cc: stable@vger.kernel.org
Signed-off-by: Laurent Pinchart

drm/rcar-du: Don't cast crtc to rcrtc twice in the same function

2013-12-02T00:27:25+00:00

Reuse the previously cast variable instead.

Signed-off-by: Laurent Pinchart

drm/rcar-du: fix return value check in rcar_du_lvdsenc_get_resources()

2013-12-02T00:27:24+00:00

In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR(). Also remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun 
Signed-off-by: Laurent Pinchart

drm: Add separate Kconfig option for fbdev helpers

2013-10-11T21:36:58+00:00

For drivers which might want to disable fbdev legacy support.

Select the new option in all drivers for now, so this shouldn't result
in any change. Drivers need some work anyway to make fbdev support
optional (if they have it implemented, that is), so the recommended
way to expose this is by adding per-driver options. At least as long
as most drivers don't support disabling the fbdev support.

v2: Update for new drm drivers msm and rcar-du. Note that Rob's msm
driver can already take advantage of this, which allows us to build
msm without any fbdev depencies in the kernel!

v3: Move the MODULE_* stuff from the fbdev helper file to
drm_crtc_helper.c.

Cc: David Herrmann 
Cc: Rob Clark 
Reviewed-by: Rob Clark 
Acked-by: Dave Airlie 
Reviewed-by: Chon Ming Lee 
Signed-off-by: Daniel Vetter