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2015-12-17drm/vc4: fix an error codeDan Carpenter1-1/+1
"exec->exec_bo" is NULL at this point so this code returns success. We want to return -ENOMEM. Fixes: d5b1a78a772f ('drm/vc4: Add support for drawing 3D frames.') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Eric Anholt <eric@anholt.net>
2015-12-17drm/vc4: allocate enough memory in vc4_save_hang_state()Dan Carpenter1-1/+1
"state" is smaller than "kernel_state" so we end up corrupting memory. Fixes: 214613656b51 ('drm/vc4: Add an interface for capturing the GPU state after a hang.') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Eric Anholt <eric@anholt.net>
2015-12-17drm/vc4: copy_to_user() returns the number of bytes remainingDan Carpenter1-19/+18
The copy_to/from_user() functions return the number of bytes remaining to be copied. We want to return error codes here. Also it's a bad idea to print an error message if a copy from user fails because users can use that to spam /var/log/messages which is annoying so I removed those. Fixes: 214613656b51 ('drm/vc4: Add an interface for capturing the GPU state after a hang.') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Eric Anholt <eric@anholt.net>
2015-12-16drm/panel: simple: Add QiaoDian qd43003c0-40Josh Wu2-0/+34
The QiaoDian Xianshi QD43003C0-40 is a 4"3 TFT LCD panel. Timings from the OTA5180A document, ver 0.9, section 10.1.1: http://www.orientdisplay.com/pdf/OTA5180A.pdf Signed-off-by: Josh Wu <josh.wu@atmel.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-16of: Add vendor prefix for QiaoDian XianshiAlexandre Belloni1-0/+1
Use "qiaodian" as the vendor prefix for QiaoDian Xianshi Corporation in device tree compatible strings. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-16drm/panel: add kernel doc for size attributes in panel_descUlrich Ölmann1-0/+4
Document that 'width' and 'height' are measured in millimeters. Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de> Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-16drm/panel: simple: Add support for Kyocera TCG121XGLP panelLucas Stach2-0/+34
The Kyocera TCG121XGLP panel is an XGA LCD TFT panel connected through LVDS, which can be supported by the simple panel driver. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-16devicetree: add vendor prefix for Kyocera CorporationLucas Stach1-0/+1
KYO is the stock ticker symbol of Kyocera Corporation. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-12-15MAINTAINERS: add maintainer and reviewers for the etnaviv DRM driverLucas Stach1-0/+9
Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2015-12-15drm/etnaviv: add initial etnaviv DRM driverThe etnaviv authors27-0/+7238
This adds the etnaviv DRM driver and hooks it up in Makefiles and Kconfig. Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>