- 01 Mar, 2017 16 commits
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John Keeping authored
In a couple of places here we use "val" for the value that is about to be written to a register but then reuse the same variable for the value of a status register before we get around to writing it. Rename the value to be written to so that we write the value we intend to and not what we have just read from the status register. Signed-off-by:
John Keeping <john@metanate.com> Tested-by:
Chris Zhong <zyw@rock-chips.com> Reviewed-by:
Sean Paul <seanpaul@chromium.org> Signed-off-by:
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John Keeping authored
This is not needed since we can access the mode via the CRTC from the enable hook. Also remove the "mode" field that is no longer used. Signed-off-by:
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John Keeping authored
This shows that we only use the mode from the enable function and prepares us to remove the "mode" field and the mode_set hook in the next commit. Signed-off-by:
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John Keeping authored
With atomic modesetting the hardware will be powered off when the mode_set function is called. We should configure the hardware in the enable function, which is the atomic version of "commit" so let's use the enable hook rather than commit while we're at it. Signed-off-by:
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Manasi Navare authored
If link training at a link rate optimal for a particular mode fails during modeset's atomic commit phase, then we let the modeset complete and then retry. We save the link rate value at which link training failed, update the link status property to "BAD" and use a lower link rate to prune the modes. It will redo the modeset on the current mode at lower link rate or if the current mode gets pruned due to lower link constraints then, it will send a hotplug uevent for userspace to handle it. This is also required to pass DP CTS tests 4.3.1.3, 4.3.1.4, 4.3.1.6. v9: * Use the trimmed max values of link rate/lane count based on link train fallback (Daniel Vetter) v8: * Set link_status to BAD first and then call mode_valid (Jani Nikula) v7: Remove the redundant variable in previous patch itself v6: * Obtain link rate index from fallback_link_rate using the helper intel_dp_link_rate_index (Jani Nikula) * Include fallback within intel_dp_start_link_train (Jani Nikula) v5: * Move set link status to drm core (Daniel Vetter, Jani Nikula) v4: * Add fallback support for non DDI platforms too * Set connector->link status inside set_link_status function (Jani Nikula) v3: * Set link status property to BAd unconditionally (Jani Nikula) * Dont use two separate variables link_train_failed and link_status to indicate same thing (Jani Nikula) v2: * Squashed a few patches (Jani Nikula) Acked-by:
Tony Cheng <tony.cheng@amd.com> Acked-by:
Harry Wentland <Harry.wentland@amd.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Signed-off-by:
Manasi Navare <manasi.d.navare@intel.com> Reviewed-by:
Jani Nikula <jani.nikula@intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/d796cc0c2814d668a47ef43c464f9a4089d46d64.1481883920.git.jani.nikula@intel.com
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Manasi Navare authored
This fixes the kernel doc warning that was introduced in the 'commit 40ee6fbe ("drm: Add a new connector atomic property for link status")'. Description has been added for the enum values. Signed-off-by:
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Noralf Trønnes authored
drm_debugfs_cleanup() now removes all minor->debugfs_list entries automatically, so it's not necessary to call drm_debugfs_remove_files(). Additionally it uses debugfs_remove_recursive() to clean up the debugfs files, so no need to do that. Cc: robdclark@gmail.com Signed-off-by:
Noralf Trønnes <noralf@tronnes.org> Signed-off-by:
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Noralf Trønnes authored
drm_debugfs_cleanup() now removes all minor->debugfs_list entries automatically, so no need to do this explicitly. Additionally it uses debugfs_remove_recursive() to clean up the debugfs files, so no need for adding fake drm_info_node entries. Cc: daniel.vetter@intel.com Cc: jani.nikula@linux.intel.com Signed-off-by:
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Noralf Trønnes authored
drm_debugfs_cleanup() now removes all minor->debugfs_list entries automatically, so the drm_driver.debugfs_cleanup callback is not needed. Cc: airlied@linux.ie Cc: kraxel@redhat.com Signed-off-by:
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Noralf Trønnes authored
drm_debugfs_cleanup() now removes all minor->debugfs_list entries automatically, so the drm_driver.debugfs_cleanup callback is not needed. Cc: airlied@linux.ie Cc: kraxel@redhat.com Signed-off-by:
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Noralf Trønnes authored
drm_debugfs_cleanup() now removes all minor->debugfs_list entries automatically, so the drm_driver.debugfs_cleanup callback is not needed. Additionally it uses debugfs_remove_recursive() to clean up the debugfs files, so no need for adding fake drm_info_node entries. Cc: bskeggs@redhat.com Signed-off-by:
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Noralf Trønnes authored
drm_debugfs_cleanup() now removes all minor->debugfs_list entries automatically, so no need to do this explicitly. Additionally it uses debugfs_remove_recursive() to clean up the debugfs files, so no need for adding fake drm_info_node entries. And finally there's no need to clean up on error, drm_debugfs_cleanup() is called in the error path. Cc: linux@armlinux.org.uk Signed-off-by:
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Neil Armstrong authored
Add the main git entry and the drm-misc experiment git for small patches. Cc: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by:
Neil Armstrong <narmstrong@baylibre.com> Acked-by:
Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1488360018-16835-1-git-send-email-narmstrong@baylibre.com
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Joan Jani authored
Fixed the following style issues drivers/gpu/vga/vga_switcheroo.c:98: WARNING: please, no space before tabs drivers/gpu/vga/vga_switcheroo.c:99: WARNING: please, no space before tabs drivers/gpu/vga/vga_switcheroo.c:102: WARNING: please, no space before tabs drivers/gpu/vga/vga_switcheroo.c:103: WARNING: please, no space before tabs drivers/gpu/vga/vga_switcheroo.c:129: WARNING: please, no space before tabs drivers/gpu/vga/vga_switcheroo.c:135: WARNING: please, no space before tabs drivers/gpu/vga/vga_switcheroo.c:217: WARNING: line over 80 characters drivers/gpu/vga/vga_switcheroo.c:218: WARNING: line over 80 characters drivers/gpu/vga/vga_switcheroo.c:308: WARNING: please, no space before tabs drivers/gpu/vga/vga_switcheroo.c:340: WARNING: line over 80 characters drivers/gpu/vga/vga_switcheroo.c:1087: WARNING: Block comments use * on subsequent lines drivers/gpu/vga/vga_switcheroo.c:1087: WARNING: Block comments use a trailing */ on a separate line Signed-off-by:
Joan Jani <igiann@hotmail.com> Signed-off-by:
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Joe Perches authored
Use a more common logging style. Miscellanea: o Coalesce formats and realign arguments o Neaten a few macros now using pr_<level> Signed-off-by:
Joe Perches <joe@perches.com> Acked-by:
Rob Clark <robdclark@gmail.com> Acked-by:
Sinclair Yeh <syeh@vmware.com> Acked-by:
Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Acked-by:
Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by:
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Daniel Vetter authored
It's still just an experiment, but one lesson learned from drm-misc is that not updating MAINTAINERS just leads to confusion. And this is easy to revert. Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Mark Yao <mark.yao@rock-chips.com> Cc: Eric Anholt <eric@anholt.net> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Shawn Guo <shawnguo@kernel.org> Acked-by:
Gerd Hoffmann <kraxel@redhat.com> Acked-by:
Eric Anholt <eric@anholt.net> Acked-by:
Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by:
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- 28 Feb, 2017 24 commits
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Eric Anholt authored
This makes for more sensible documentation of the whole module than jumping straight into the details of display. Signed-off-by:
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Eric Anholt authored
I had written most of my comments as if I was describing the individual code files the way I used to for doxygen, while for RST we want to describe things in a more chapter/section way where there's no obvious relation to .c files. Additionally, several of the files had stub descriptions that I've taken this opportunity to extend. Signed-off-by:
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Eric Anholt authored
This doesn't yet produce coherent documentation of the module, but at least gets the kerneldoc built and somewhat glued together. Signed-off-by:
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Eric Anholt authored
I'm going to hook vc4 up to the sphinx build, so clean up its comments to not generate warnings when we do. Signed-off-by:
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Michael Zoran authored
Commonly used desktop environments such as xfce4 and gnome on debian sid can flood the graphics drivers with cursor updates. Because the current implementation is waiting for a vblank between cursor updates, this will cause the display to hang for a long time since a typical refresh rate is only 60Hz. This is unnecessary and unexpected by user mode software, so simply swap out the cursor frame buffer without waiting. Signed-off-by:
Michael Zoran <mzoran@crowfest.net> Reviewed-by:
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Gabriel Krisman Bertazi authored
Now that atomic support is implemented, enable the atomic flag. Signed-off-by:
Gabriel Krisman Bertazi <krisman@collabora.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/20170227204328.18761-15-krisman@collabora.co.ukSigned-off-by:
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Gabriel Krisman Bertazi authored
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Gabriel Krisman Bertazi authored
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Gabriel Krisman Bertazi authored
Now that the state objects are wired up, we can move to the final atomic handlers. Signed-off-by:
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Gabriel Krisman Bertazi authored
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Gabriel Krisman Bertazi authored
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Gabriel Krisman Bertazi authored
In the qxl atomic model, the primary doesn't stay pinned all the time, instead it is only pinned/unpinned between prepare_fb and cleanup_fb. So, we no longer need a final unpin of the primary framebuffer when disabling the crtc. Signed-off-by:
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Gabriel Krisman Bertazi authored
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Gabriel Krisman Bertazi authored
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Gabriel Krisman Bertazi authored
In preparation for atomic conversion, let's use the transitional atomic helpers drm_plane_helper_update/disable. Signed-off-by:
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Gabriel Krisman Bertazi authored
Let's expose the primary plane initialization inside the qxl driver in preparation for universal planes and atomic. Signed-off-by:
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Gabriel Krisman Bertazi authored
qxl don't have support for hardware vblanks so we can't initialize it here, otherwise we risk getting stuck in drm_wait_one_vblank. Signed-off-by:
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Gabriel Krisman Bertazi authored
Every attempt to pin/unpin objects in memory requires qxl_bo_reserve/unreserve calls around the pinning operation to protect the object from concurrent access, which causes that call sequence to be reproduced every place where pinning is needed. In some cases, that sequence was not executed correctly, resulting in potential unprotected pinning operations. This commit encapsulates the reservation inside a new wrapper to make sure it is always handled properly. In cases where reservation must be done beforehand, for some reason, one can use the unprotected version __qxl_bo_pin/unpin. Signed-off-by:
Gustavo Padovan <gustavo.padovan@collabora.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170227204328.18761-3-krisman@collabora.co.ukSigned-off-by:
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Gabriel Krisman Bertazi authored
There are no device specific flags that we need to keep track of here. Let it vanish. Signed-off-by:
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Thierry Reding authored
Currently the functions that initialize and tear down a connector iterator use the _get() and _put() suffixes. However, these suffixes are typically used by reference counting functions. Make these function names a little more consistent by changing the suffixes to _begin() and _end(), which is a fairly common pattern in the rest of the Linux kernel. Suggested-by:
Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by:
Thierry Reding <treding@nvidia.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170228144643.5668-8-thierry.reding@gmail.com
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Thierry Reding authored
For consistency with other reference counting APIs in the kernel, add drm_property_blob_get() and drm_property_blob_put() to reference count DRM blob properties. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. A semantic patch is provided that can be used to convert all drivers to the new helpers. Reviewed-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
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Thierry Reding authored
For consistency with other reference counting APIs in the kernel, add drm_gem_object_get() and drm_gem_object_put(), as well as an unlocked variant of the latter, to reference count GEM buffer objects. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. The existing semantic patch for the DRM subsystem-wide conversion is extended to account for these new helpers. Reviewed-by:
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Thierry Reding authored
For consistency with other reference counting APIs in the kernel, add drm_framebuffer_get() and drm_framebuffer_put() to reference count DRM framebuffers. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. The existing semantic patch for the DRM subsystem-wide conversion is extended to account for these new helpers. Reviewed-by:
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Thierry Reding authored
For consistency with other reference counting APIs in the kernel, add drm_connector_get() and drm_connector_put() functions to reference count connectors. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. The existing semantic patch for mode object reference count conversion is extended for these new helpers. Reviewed-by:
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