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path: root/drivers/gpu/drm/vc4
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2015-11-17drm/vc4: Make sure that planes aren't scaled.Eric Anholt
We would scan out the memory around them if an upscale was attempted, and would just scan out incorrectly for downscaling. Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17drm/vc4: Fix some failure to track __iomem decorations on pointers.Eric Anholt
Caught by the kbuild test robot. v2: Fix the +i I dropped in the first version. Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17drm/vc4: checking for NULL instead of IS_ERRDan Carpenter
vc4_plane_init() returns an ERR_PTR on error, it doesn't return NULL. This was obviously intended because the next lines call PTR_ERR(primary_plane) already. Fixes: c8b75bca92cb ('Eric Anholt <eric@anholt.net>') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17drm/vc4: fix itnull.cocci warningsJulia Lawall
Connector cannot be null because it is a list entry, ie accessed at an offset from the positions of the list structure pointers themselves. Generated by: scripts/coccinelle/iterators/itnull.cocci Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17drm/vc4: fix platform_no_drv_owner.cocci warningsJulia Lawall
drivers/gpu/drm/vc4/vc4_drv.c:248:3-8: No need to set .owner here. The core will do it. Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17drm/vc4: vc4_plane_duplicate_state() can be statickbuild test robot
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-10drm/vc4: Add dependency on HAVE_DMA_ATTRS, and select DRM_GEM_CMA_HELPERGuenter Roeck
Avoid the following build errors, seen with m68k:allmodconfig and other architectures which do not support HAVE_DMA_ATTRS. ERROR: "drm_gem_cma_create" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_get_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_vm_ops" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_vunmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_import_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_vmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_dumb_map_offset" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_create" [drivers/gpu/drm/drm_kms_helper.ko] undefined! ERROR: "drm_gem_cma_describe" [drivers/gpu/drm/drm_kms_helper.ko] undefined! ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/drm_kms_helper.ko] undefined! Acked-by: Eric Anholt <eric@anholt.net> Fixes: c8b75bca92cb ("drm/vc4: Add KMS support for Raspberry Pi.") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-10-22Merge tag 'drm-vc4-next-2015-10-21' of http://github.com/anholt/linux into ↵Dave Airlie
drm-next This pull request introduces the vc4 driver, for kernel modesetting on the Raspberry Pi (bcm2835/bcm2836 architectures). It currently supports a display plane and cursor on the HDMI output. The driver doesn't do 3D, power management, or overlay planes yet. [airlied: fixup the enable/disable vblank APIs] Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> * tag 'drm-vc4-next-2015-10-21' of http://github.com/anholt/linux: drm/vc4: Allow vblank to be disabled drm/vc4: Use the fbdev_cma helpers drm/vc4: Add KMS support for Raspberry Pi. drm/vc4: Add devicetree bindings for VC4.
2015-10-21drm/vc4: Allow vblank to be disabledDerek Foreman
Signed-off-by: Derek Foreman <derekf@osg.samsung.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2015-10-21drm/vc4: Use the fbdev_cma helpersDerek Foreman
Keep the fbdev_cma pointer around so we can use it on hotplog and close to ensure the frame buffer console is in a useful state. Signed-off-by: Derek Foreman <derekf@osg.samsung.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2015-10-21drm/vc4: Add KMS support for Raspberry Pi.Eric Anholt
This is enough for fbcon and bringing up X using xf86-video-modesetting. It doesn't support the 3D accelerator or power management yet. v2: Drop FB_HELPER select thanks to Archit's patches. Do manual init ordering instead of using the .load hook. Structure registration more like tegra's, but still using the typical "component" code. Drop no-op hooks for atomic_begin and mode_fixup() now that they're optional. Drop sentinel in Makefile. Fix minor style nits I noticed on another reread. v3: Use the new bcm2835 clk driver to manage pixel/HSM clocks instead of having a fixed video mode. Use exynos-style component driver matching instead of devicetree nodes to list the component driver instances. Rename compatibility strings to say bcm2835, and distinguish pv0/1/2. Clean up some h/vsync code, and add in interlaced mode setup. Fix up probe/bind error paths. Use bitops.h macros for vc4_regs.h v4: Include i2c.h, allow building under COMPILE_TEST, drop msleep now that other bugs have been fixed, add timeouts to cpu_relax() loops, rename hpd-gpio to hpd-gpios. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>