4224b52c3a
- random-bcm2708 and spi-bcm2708 have been removed. - sound-soc-bcm2708-i2s has been upstreamed as sound-soc-bcm2835-i2s. Let's keep linux 4.1 for a while, since linux 4.4 appears to have some issues with multicast traffic on RPi ethernet: https://gist.github.com/Noltari/5b1cfdecce5ed4bc08fd Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> SVN-Revision: 48266
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From daf1a4e97b6eb0c0576d895c9496025e8cd84a0f Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Wed, 19 Nov 2014 12:06:38 -0800
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Subject: [PATCH 113/127] drm: Put an optional field in the driver struct for
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GEM obj struct size.
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This allows a driver to derive from the CMA object without copying all
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of the code.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/drm_gem_cma_helper.c | 5 ++++-
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include/drm/drmP.h | 1 +
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2 files changed, 5 insertions(+), 1 deletion(-)
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--- a/drivers/gpu/drm/drm_gem_cma_helper.c
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+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
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@@ -58,8 +58,11 @@ __drm_gem_cma_create(struct drm_device *
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struct drm_gem_cma_object *cma_obj;
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struct drm_gem_object *gem_obj;
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int ret;
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+ size_t obj_size = (drm->driver->gem_obj_size ?
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+ drm->driver->gem_obj_size :
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+ sizeof(*cma_obj));
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- cma_obj = kzalloc(sizeof(*cma_obj), GFP_KERNEL);
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+ cma_obj = kzalloc(obj_size, GFP_KERNEL);
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if (!cma_obj)
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return ERR_PTR(-ENOMEM);
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--- a/include/drm/drmP.h
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+++ b/include/drm/drmP.h
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@@ -639,6 +639,7 @@ struct drm_driver {
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u32 driver_features;
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int dev_priv_size;
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+ size_t gem_obj_size;
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const struct drm_ioctl_desc *ioctls;
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int num_ioctls;
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const struct file_operations *fops;
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