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2015-09-08drm: Constify generic_edid_names[]Ville Syrjälä1-1/+1
Make generic_edid_names[] const since it's supposed to be immutable. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08dtrm/edid: Allow comma separated edid binaries. (v3)Bob Paauwe2-14/+42
Allow comma separated filenames in the edid_firmware parameter. For example: edid_firmware=eDP-1:edid/1280x480.bin,DP-2:edid/1920x1080.bin v2: Use strsep() to simplify parsing of comma seperated string. (Matt) Move initial bail before strdup. (Matt) v3: Changed conditionals after while loop to make more readable (Jani) Updated kernel-parameters.txt to reflect changes (Jani) Reviewed-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Bob Paauwe <bob.j.paauwe@intel.com> [danvet: Flatten else control flow and appease checkpatch.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08drm/atomic: refuse changing CRTC for planes directlyDaniel Vetter1-0/+25
Very strictly speaking this is possible if you have special hw and genlocked CRTCs. In general switching a plane between two active CRTC just won't work so well and is probably not tested at all. Just forbid it. I've put this into the core since right now no helper or driver copes with it, no userspace has code for it and no one asks for it. Yes there's piles of corner-cases where this would be possible to do this like: - switch from inactive crtc to active crtc - switch from active crtc to inactive crtc - genlocked display - invisible plane (to do whatever) - idle plane hw due to dsi cmd mode/psr - whatever but looking at details it's not that easy to implement this correctly. Hence just put it into the core and add a comment, since the only userspace we have right now for atomic (weston) doesn't want to use direct plane switching either. v2: don't bother with complexity and just outright disallow plane switching without the intermediate OFF state. Simplifies drivers, we don't have any hw that could do it anyway and current atomic userspace (weston) works like this already anyway. v3: Bikeshed function name (Ville) and add comment (Rob). v4: Also bikeshed commit message (Rob). v5: Fix compile warnings reported by 0-day. Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Stone <daniels@collabora.com> Acked-by: Daniel Stone <daniels@collabora.com> Reviewed-by: Rob Clark <robdclark@gmail.com> Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-09-08drm/fb-helper: Add module option to disable fbdev emulationDaniel Vetter1-0/+29
Faster than recompiling. Note that restore_fbdev_mode_unlocked is a bit special and the only one which returns an error code when fbdev isn't there - i915 needs that one to not fall over with some additional fbcon related restore code. Everyone else just ignores the return value or only prints a DRM_DEBUG level message. Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08drm: Make drm_fb_unregister/remove accept NULL fbDaniel Vetter1-2/+12
These functions are used by drivers to release fbdev emulation buffers. We need to make them resilient to NULL pointers to make the fbdev compile/runtime knobs not cause Oopses on module unload. Cc: Archit Taneja <architt@codeaurora.org> Reviewed-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08drm/fb-helper: Use -errno return in restore_mode_unlockedDaniel Vetter2-11/+14
Using bool and returning true upon error is very uncommon. Also an int return value is actually what all the callers which did check it seem to have expected. v2: Restore hunk misplaced in a rebase, spotted by Rob. Cc: Rob Clark <robdclark@gmail.com> Reviewed-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08drm/atomic-helper: properly annotate functions in kerneldocDaniel Vetter1-7/+7
Without the () the markup and more important hyperlinking wont happen. v2: Also fix nearby type Laurent spotted. v3: Actually git add. Argh! Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-09-08drm/doc: Fixing xml documentation warningDanilo Cesar Lemes de Paula1-5/+5
"/**" should be used for kernel-doc documentation only. It causes a warning with the new "in struct body" format. Signed-off-by: Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Stephan Mueller <smueller@chronox.de> Cc: Michal Marek <mmarek@suse.cz> Cc: linux-kernel@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: intel-gfx <intel-gfx@lists.freedesktop.org> Cc: dri-devel <dri-devel@lists.freedesktop.org> Cc: Graham Whaley <graham.whaley@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08drm: cleanup modesetting ioctls, one param per lineRob Clark1-12/+30
Since this already confused me once when adding addfb2.1, let's clean up the header to split params one per line. Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08drm/mm: Do DRM_MM_CREATE_TOP adj_start calculation after color_adjustMichel Thierry1-3/+3
The adj_start calculation for DRM_MM_CREATE_TOP should happen after mm->color_adjust. There was an inconsistency between drm_mm_insert_helper_range and drm_mm_insert_helper, as the later was already updating after color_adjust. Didn't spot it before, as color_adjust is only done in systems without LLC. But I'm not aware of anybody using this test case yet. Signed-off-by: Michel Thierry <michel.thierry@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-08drm: WARN_ON if a modeset driver uses legacy suspend/resume helpersGustavo Padovan1-0/+2
Legacy s/r hooks are only used for shadow-attaching drivers, warn when a KMS driver tries to use them. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-04drm/amdgpu: rename gmc_v8_0_init_compute_vmidAlex Deucher1-3/+3
It should be gfx_v8_0_init_compute_vmid since it's part of the gfx block. Acked-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-04drm/amdgpu: fix vce3 instance handlingAlex Deucher1-6/+42
Need to properly handle the instances for the idle checks and soft reset. Acked-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-04drm/amdgpu: remove ib test for the second VCE RingLeo Liu1-0/+4
it seems the VCE ring 1 ib test not reliable, remove it for now. Signed-off-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Tested-and-Reviewed-by: Sonny Jiang <sonny.jiang@amd.com>
2015-09-04drm/amdgpu: properly enable VM fault interruptsChristian König2-15/+18
This fixes not printing VM faults. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-04drm/amdgpu: fix warning in schedulerAlex Deucher1-2/+3
This should never happen so warn when the count does not equal the expected size. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-03drm/amdgpu: fix buffer placement under memory pressureChristian König1-1/+1
Some buffers (UVD/VM page tables) must be placed in VRAM, but the byte restriction for moving buffers didn't took this into account. Port of radeon commit 4b09556660bfe1b43d72ca858524c6baf2c6cb1d. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
2015-09-03drm/amdgpu/cz: fix cz_dpm_update_low_memory_pstate logicAlex Deucher1-2/+2
The logic was reversed. This feature is not enabled at the moment, but fix it now for the future. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-03drm/amdgpu: fix typo in dce11 watermark setupAlex Deucher1-1/+1
Using the wrong watermwark value for the secondary watermark. Copy paste typo. Noticed by Mykola. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-09-03drm/amdgpu: fix typo in dce10 watermark setupAlex Deucher1-1/+1
Using the wrong watermwark value for the secondary watermark. Copy paste typo. Noticed by Mykola. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-09-03drm/amdgpu: use top down allocation for non-CPU accessible vramAlex Deucher1-1/+1
Should help avoid fragmentation of vram due to CPU access requirements. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-03drm/amdgpu: be explicit about cpu vram access for driver BOs (v2)Alex Deucher12-20/+51
For kernel driver BOs, be explicit about whether we need vram access up front. This avoids unecessary migrations and avoids using visible vram for buffers were it's not needed. v2: line wrap fixes Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: set MEC doorbell range for FijiJammy Zhou1-1/+2
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: implement burst NOP for SDMAJammy Zhou3-15/+86
Customize the insert_nop func for SDMA rings, and use burst NOP for ring/IB submissions in other places as well Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: add insert_nop ring func and default implementationJammy Zhou12-3/+36
The insert_nop function is added to amdgpu_ring_funcs structure as well as the default implementation Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: add amdgpu_get_sdma_instance helper functionJammy Zhou1-0/+15
This function is added to map the ring to sdma instance Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: add AMDGPU_MAX_SDMA_INSTANCESJammy Zhou1-1/+4
Remove the hardcoded usage Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: add burst_nop flag for sdmaJammy Zhou4-0/+7
The burst NOP is supported for SDMA when feature_version is >= 20. Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: add count field for the SDMA NOP packet v2Jammy Zhou3-0/+11
This is added to support the burst NOP v2: squash the typo fix Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02drm/amdgpu: use PT for VM sync on unmapChristian König1-13/+6
Instead of the array which is used for ID management. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
2015-09-02drm/amdgpu: make wait_event uninterruptible in push_jobChunming Zhou1-4/+3
with interruptible, the push_job maybe return -ERESTARTSYS, then result in push_job error. E.g. bug trace: [ 181.618860] *****amdgpu_copy_buffer:fence->seq:0x0000000048d8758b, contxt:1207959552, ref:683967304, r:-512 [ 181.618929] BUG: unable to handle kernel paging request at ffffffff811aa266 [ 181.625887] IP: [<ffffffff81548ffc>] reservation_object_add_excl_fence+0x3c/0x120 ... [ 181.859767] [<ffffffff811aa266>] ? unmap_mapping_range+0x66/0x110 [ 181.865928] [<ffffffffc0608ac1>] ttm_bo_move_accel_cleanup+0x41/0x3c0 [ttm] [ 181.872971] [<ffffffffc062d382>] amdgpu_move_blit.isra.18+0x122/0x150 [amdgpu] [ 181.880254] [<ffffffff811aa266>] ? unmap_mapping_range+0x66/0x110 [ 181.886420] [<ffffffffc062d709>] amdgpu_bo_move+0xa9/0x200 [amdgpu] [ 181.892753] [<ffffffffc0606e8d>] ttm_bo_handle_move_mem+0x26d/0x5c0 [ttm] Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com>
2015-09-02drm/amdgpu: fix amdgpu_bo_unreserve order in GEM_OP IOCTL v2Christian König1-1/+4
No copy_(to|from)_user while BO is reserved. v2: handle default path as well Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
2015-09-02drm/amdgpu: partially revert "modify amdgpu_fence_wait_any() to amdgpu_fence_wait_multiple()" v2Christian König3-43/+16
That isn't used any more. v2: rebase Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-02Add radeon suspend/resume quirk for HP Compaq dc5750.Jeffery Miller1-0/+8
With the radeon driver loaded the HP Compaq dc5750 Small Form Factor machine fails to resume from suspend. Adding a quirk similar to other devices avoids the problem and the system resumes properly. Signed-off-by: Jeffery Miller <jmiller@neverware.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-09-02drm/amdgpu: re-work sync_resvChunming Zhou1-6/+18
sync_resv is to handle both amdgpu_fence and sched_fence. Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Christian K?nig <christian.koenig@amd.com>
2015-09-02drm/amdgpu/atom: Send out the full AUX addressAlex Deucher1-1/+2
AUX addresses are 20 bits long. Send out the entire address instead of just the low 16 bits. Port of: drm/radeon/atom: Send out the full AUX address to amdgpu Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-09-02drm/exynos: remove buf_cnt from struct exynos_drm_fbJoonyoung Shim1-9/+0
Looking other drm drivers, there is no the restriction that framebuffer has only one buffer in .create_handle() callback. They use just first buffer. If this limitation is removed, there is no reason keeping buffer count for framebuffer, so we can remove buf_cnt from struct exynos_drm_fb. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: remove exynos_drm_fb_get_buf_cnt()Joonyoung Shim3-13/+1
We can get buffer count of framebuffer using drm_format_num_planes(), so keeping exynos_drm_fb_get_buf_cnt() is unnecessary. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: cleanup exynos_user_fb_create()Joonyoung Shim1-34/+13
Using exynos_drm_framebuffer_init(), redundant codes can be removed. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: update exynos_drm_framebuffer_init() for multiple buffersJoonyoung Shim3-19/+25
This modifies exynos_drm_framebuffer_init() to be possible to support multiple buffers. Then it can be used by exynos_user_fb_create(). Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: cleanup to get gem object for fbJoonyoung Shim1-15/+8
Current codes get first gem object and then again get remain gem objects. They can be unified to one routine. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: update fb_info via only one functionJoonyoung Shim1-16/+13
This patch moves codes to update fb_info into exynos_drm_fbdev_update(), so fb_info is updated via only one function. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: cleanup exynos_drm_fbdev_update()Joonyoung Shim1-11/+4
It can get exynos_gem object via function argument, so no need to call exynos_drm_fb_gem_obj() in exynos_drm_fbdev_update. It also can get struct drm_framebuffer *fb via helper->fb, so can remove a function argument for it. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: s/exynos_gem_obj/obj in exynos_drm_fbdev.cJoonyoung Shim1-16/+14
The variable name "exynos_gem_obj" is too long, so some lines exceed 80 characters. It's simple to use "obj" instead of "exynos_gem_obj". Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: remove exynos_drm_fb_set_buf_cnt()Joonyoung Shim3-17/+3
The exynos_drm_fb_set_buf_cnt() is used to set buffer count only in exynos_drm_fbdev_update(). This patch sets directly buffer count in exynos_drm_framebuffer_init() without using exynos_drm_fb_set_buf_cnt(), so there is no any reason to keep exynos_drm_fb_set_buf_cnt(). Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: remove superfluous checks in g2d_check_reg_offset()Tobias Jakobi1-8/+0
The cases of the switch statement ensure that reg_type can never be REG_TYPE_NONE here. Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-02drm/exynos: fix size check in g2d_check_buf_desc_is_valid()Tobias Jakobi1-10/+41
The size check was incomplete. It only computed the size of area of the drawing rectangle and checked if the size still fit inside the buffer. The correct check is to compute the position of the last byte that the G2D engine is going to access and then check if that position is still contained in the buffer. In particular we need the stride information to determine this. Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-01i915: Set ddi_pll_sel in DP MST pathAnder Conselvan de Oliveira3-1/+7
The DP MST encoder config function never sets ddi_pll_sel, even though its value is programmed in its ->pre_enable() hook. That used to work because a new pipe_config was kzalloc'ed at every modeset, and the value of zero selects the highest clock for the PLL. Starting with the commit below, the value of ddi_pll_sel is preserved through modesets, and since the correct value wasn't properly setup by the MST code, it could lead to warnings and blank screens. commit 8504c74c7ae48b4b8ed1f1c0acf67482a7f45c93 Author: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Date: Fri May 15 11:51:50 2015 +0300 drm/i915: Preserve ddi_pll_sel when allocating new pipe_config Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91628 Cc: stable@vger.kernel.org # 7e6313a2516d drm/i915: Don't use link_bw for PLL setup Cc: stable@vger.kernel.org Cc: Timo Aaltonen <tjaalton@ubuntu.com> Cc: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-09-01drm/i915: Don't use link_bw for PLL setupVille Syrjälä2-29/+26
Use port_clock instead of link_bw when picking the PLL parameters for DP. link_bw may be zero with an eDP 1.4 sink that supports DP_LINK_RATE_SET so we shouldn't use it for anything other than feed it to the sink appropriately. v2: Fix typo in commit message (Sivakumar) Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> [Jani: cherry-picked from future.] Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-09-01drm/vmwgfx: Allow dropped masters render-node like access on legacy nodes v2Thomas Hellstrom2-1/+12
Applications like gnome-shell may try to render after dropping master privileges. Since the driver should now be safe against this scenario, allow those applications to use their legacy node like a render node. v2: Add missing return statement. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
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