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Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next

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Another round of -misc stuff:
- Noralf debugfs cleanup cleanup (not yet everything, some more driver
  patches awaiting acks).
- More doc work.
- edid/infoframe fixes from Ville.
- misc 1-patch fixes all over, as usual

Noralf needs this for his tinydrm pull request.

* tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc: (48 commits)
  drm/vc4: Remove vc4_debugfs_cleanup()
  dma/fence: Export enable-signaling tracepoint for emission by drivers
  drm/tilcdc: Remove tilcdc_debugfs_cleanup()
  drm/tegra: Remove tegra_debugfs_cleanup()
  drm/sti: Remove drm_debugfs_remove_files() calls
  drm/radeon: Remove drm_debugfs_remove_files() call
  drm/omap: Remove omap_debugfs_cleanup()
  drm/hdlcd: Remove hdlcd_debugfs_cleanup()
  drm/etnaviv: Remove etnaviv_debugfs_cleanup()
  drm/etnaviv: allow build with COMPILE_TEST
  drm/amd/amdgpu: Remove drm_debugfs_remove_files() call
  drm/prime: Clarify DMA-BUF/GEM Object lifetime
  drm/ttm: Make sure BOs being swapped out are cacheable
  drm/atomic: Remove drm_atomic_debugfs_cleanup()
  drm: drm_minor_register(): Clean up debugfs on failure
  drm: debugfs: Remove all files automatically on cleanup
  drm/fourcc: add vivante tiled layout format modifiers
  drm/edid: Set YQ bits in the AVI infoframe according to CEA-861-F
  drm/edid: Set AVI infoframe Q even when QS=0
  drm/edid: Introduce drm_hdmi_avi_infoframe_quant_range()
  ...
This commit is contained in:
Dave Airlie
2017-02-01 08:31:09 +10:00
parent bb7e983341 55d6616585
commit 012bbe28c0
107 changed files with 756 additions and 795 deletions
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99
drivers/gpu/drm/drm_atomic_helper.c
View File

@@ -458,22 +458,25 @@ mode_fixup(struct drm_atomic_state *state)
* Check the state object to see if the requested state is physically possible.
* This does all the crtc and connector related computations for an atomic
* update and adds any additional connectors needed for full modesets and calls
* down into ->mode_fixup functions of the driver backend.
* down into &drm_crtc_helper_funcs.mode_fixup and
* &drm_encoder_helper_funcs.mode_fixup or
* &drm_encoder_helper_funcs.atomic_check functions of the driver backend.
*
* crtc_state->mode_changed is set when the input mode is changed.
* crtc_state->connectors_changed is set when a connector is added or
* removed from the crtc.
* crtc_state->active_changed is set when crtc_state->active changes,
* which is used for dpms.
* &drm_crtc_state.mode_changed is set when the input mode is changed.
* &drm_crtc_state.connectors_changed is set when a connector is added or
* removed from the crtc. &drm_crtc_state.active_changed is set when
* &drm_crtc_state.active changes, which is used for DPMS.
* See also: drm_atomic_crtc_needs_modeset()
*
* IMPORTANT:
*
* Drivers which set ->mode_changed (e.g. in their ->atomic_check hooks if a
* plane update can't be done without a full modeset) _must_ call this function
* afterwards after that change. It is permitted to call this function multiple
* times for the same update, e.g. when the ->atomic_check functions depend upon
* the adjusted dotclock for fifo space allocation and watermark computation.
* Drivers which set &drm_crtc_state.mode_changed (e.g. in their
* &drm_plane_helper_funcs.atomic_check hooks if a plane update can't be done
* without a full modeset) _must_ call this function afterwards after that
* change. It is permitted to call this function multiple times for the same
* update, e.g. when the &drm_crtc_helper_funcs.atomic_check functions depend
* upon the adjusted dotclock for fifo space allocation and watermark
* computation.
*
* RETURNS:
* Zero for success or -errno
@@ -584,9 +587,10 @@ EXPORT_SYMBOL(drm_atomic_helper_check_modeset);
*
* Check the state object to see if the requested state is physically possible.
* This does all the plane update related checks using by calling into the
* ->atomic_check hooks provided by the driver.
* &drm_crtc_helper_funcs.atomic_check and &drm_plane_helper_funcs.atomic_check
* hooks provided by the driver.
*
* It also sets crtc_state->planes_changed to indicate that a crtc has
* It also sets &drm_crtc_state.planes_changed to indicate that a crtc has
* updated planes.
*
* RETURNS:
@@ -648,14 +652,15 @@ EXPORT_SYMBOL(drm_atomic_helper_check_planes);
* Check the state object to see if the requested state is physically possible.
* Only crtcs and planes have check callbacks, so for any additional (global)
* checking that a driver needs it can simply wrap that around this function.
* Drivers without such needs can directly use this as their ->atomic_check()
* callback.
* Drivers without such needs can directly use this as their
* &drm_mode_config_funcs.atomic_check callback.
*
* This just wraps the two parts of the state checking for planes and modeset
* state in the default order: First it calls drm_atomic_helper_check_modeset()
* and then drm_atomic_helper_check_planes(). The assumption is that the
* ->atomic_check functions depend upon an updated adjusted_mode.clock to
* e.g. properly compute watermarks.
* @drm_plane_helper_funcs.atomic_check and @drm_crtc_helper_funcs.atomic_check
* functions depend upon an updated adjusted_mode.clock to e.g. properly compute
* watermarks.
*
* RETURNS:
* Zero for success or -errno
@@ -1125,8 +1130,8 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks);
* drm_atomic_helper_commit_tail - commit atomic update to hardware
* @old_state: atomic state object with old state structures
*
* This is the default implemenation for the ->atomic_commit_tail() hook of the
* &drm_mode_config_helper_funcs vtable.
* This is the default implementation for the
* &drm_mode_config_helper_funcs.atomic_commit_tail hook.
*
* Note that the default ordering of how the various stages are called is to
* match the legacy modeset helper library closest. One peculiarity of that is
@@ -1203,8 +1208,8 @@ static void commit_work(struct work_struct *work)
* drm_atomic_helper_setup_commit() and related functions.
*
* Committing the actual hardware state is done through the
* ->atomic_commit_tail() callback of the &drm_mode_config_helper_funcs vtable,
* or it's default implementation drm_atomic_helper_commit_tail().
* &drm_mode_config_helper_funcs.atomic_commit_tail callback, or it's default
* implementation drm_atomic_helper_commit_tail().
*
* RETURNS:
* Zero for success or -errno.
@@ -1357,7 +1362,7 @@ static int stall_checks(struct drm_crtc *crtc, bool nonblock)
return ret < 0 ? ret : 0;
}
void release_crtc_commit(struct completion *completion)
static void release_crtc_commit(struct completion *completion)
{
struct drm_crtc_commit *commit = container_of(completion,
typeof(*commit),
@@ -1373,14 +1378,15 @@ void release_crtc_commit(struct completion *completion)
*
* This function prepares @state to be used by the atomic helper's support for
* nonblocking commits. Drivers using the nonblocking commit infrastructure
* should always call this function from their ->atomic_commit hook.
* should always call this function from their
* &drm_mode_config_funcs.atomic_commit hook.
*
* To be able to use this support drivers need to use a few more helper
* functions. drm_atomic_helper_wait_for_dependencies() must be called before
* actually committing the hardware state, and for nonblocking commits this call
* must be placed in the async worker. See also drm_atomic_helper_swap_state()
* and it's stall parameter, for when a driver's commit hooks look at the
* ->state pointers of &struct drm_crtc, &drm_plane or &drm_connector directly.
* &drm_crtc.state, &drm_plane.state or &drm_connector.state pointer directly.
*
* Completion of the hardware commit step must be signalled using
* drm_atomic_helper_commit_hw_done(). After this step the driver is not allowed
@@ -1489,8 +1495,7 @@ static struct drm_crtc_commit *preceeding_commit(struct drm_crtc *crtc)
* This function waits for all preceeding commits that touch the same CRTC as
* @old_state to both be committed to the hardware (as signalled by
* drm_atomic_helper_commit_hw_done) and executed by the hardware (as signalled
* by calling drm_crtc_vblank_send_event on the event member of
* &drm_crtc_state).
* by calling drm_crtc_vblank_send_event() on the &drm_crtc_state.event).
*
* This is part of the atomic helper support for nonblocking commits, see
* drm_atomic_helper_setup_commit() for an overview.
@@ -1627,8 +1632,9 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_cleanup_done);
* @state: atomic state object with new state structures
*
* This function prepares plane state, specifically framebuffers, for the new
* configuration. If any failure is encountered this function will call
* ->cleanup_fb on any already successfully prepared framebuffer.
* configuration, by calling &drm_plane_helper_funcs.prepare_fb. If any failure
* is encountered this function will call &drm_plane_helper_funcs.cleanup_fb on
* any already successfully prepared framebuffer.
*
* Returns:
* 0 on success, negative error code on failure.
@@ -1708,10 +1714,10 @@ static bool plane_crtc_active(const struct drm_plane_state *state)
*
* Drivers may set the NO_DISABLE_AFTER_MODESET flag in @flags if the relevant
* display controllers require to disable a CRTC's planes when the CRTC is
* disabled. This function would skip the ->atomic_disable call for a plane if
* the CRTC of the old plane state needs a modesetting operation. Of course,
* the drivers need to disable the planes in their CRTC disable callbacks
* since no one else would do that.
* disabled. This function would skip the &drm_plane_helper_funcs.atomic_disable
* call for a plane if the CRTC of the old plane state needs a modesetting
* operation. Of course, the drivers need to disable the planes in their CRTC
* disable callbacks since no one else would do that.
*
* The drm_atomic_helper_commit() default implementation doesn't set the
* ACTIVE_ONLY flag to most closely match the behaviour of the legacy helpers.
@@ -1874,7 +1880,7 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_planes_on_crtc);
* planes.
*
* It is a bug to call this function without having implemented the
* ->atomic_disable() plane hook.
* &drm_plane_helper_funcs.atomic_disable plane hook.
*/
void
drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state,
@@ -1961,8 +1967,8 @@ EXPORT_SYMBOL(drm_atomic_helper_cleanup_planes);
* contains the old state. Also do any other cleanup required with that state.
*
* @stall must be set when nonblocking commits for this driver directly access
* the ->state pointer of &drm_plane, &drm_crtc or &drm_connector. With the
* current atomic helpers this is almost always the case, since the helpers
* the &drm_plane.state, &drm_crtc.state or &drm_connector.state pointer. With
* the current atomic helpers this is almost always the case, since the helpers
* don't pass the right state structures to the callbacks.
*/
void drm_atomic_helper_swap_state(struct drm_atomic_state *state,
@@ -2363,7 +2369,7 @@ int __drm_atomic_helper_set_config(struct drm_mode_set *set,
if (ret != 0)
return ret;
drm_crtc_get_hv_timing(set->mode, &hdisplay, &vdisplay);
drm_mode_get_hv_timing(set->mode, &hdisplay, &vdisplay);
drm_atomic_set_fb_for_plane(primary_state, set->fb);
primary_state->crtc_x = 0;
@@ -2892,8 +2898,8 @@ EXPORT_SYMBOL(drm_atomic_helper_page_flip_target);
*
* This is the main helper function provided by the atomic helper framework for
* implementing the legacy DPMS connector interface. It computes the new desired
* ->active state for the corresponding CRTC (if the connector is enabled) and
* updates it.
* &drm_crtc_state.active state for the corresponding CRTC (if the connector is
* enabled) and updates it.
*
* Returns:
* Returns 0 on success, negative errno numbers on failure.
@@ -2965,11 +2971,11 @@ backoff:
EXPORT_SYMBOL(drm_atomic_helper_connector_dpms);
/**
* drm_atomic_helper_best_encoder - Helper for &drm_connector_helper_funcs
* ->best_encoder callback
* drm_atomic_helper_best_encoder - Helper for
* &drm_connector_helper_funcs.best_encoder callback
* @connector: Connector control structure
*
* This is a &drm_connector_helper_funcs ->best_encoder callback helper for
* This is a &drm_connector_helper_funcs.best_encoder callback helper for
* connectors that support exactly 1 encoder, statically determined at driver
* init time.
*/
@@ -3003,7 +3009,7 @@ EXPORT_SYMBOL(drm_atomic_helper_best_encoder);
*/
/**
* drm_atomic_helper_crtc_reset - default ->reset hook for CRTCs
* drm_atomic_helper_crtc_reset - default &drm_crtc_funcs.reset hook for CRTCs
* @crtc: drm CRTC
*
* Resets the atomic state for @crtc by freeing the state pointer (which might
@@ -3110,7 +3116,7 @@ void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
EXPORT_SYMBOL(drm_atomic_helper_crtc_destroy_state);
/**
* drm_atomic_helper_plane_reset - default ->reset hook for planes
* drm_atomic_helper_plane_reset - default &drm_plane_funcs.reset hook for planes
* @plane: drm plane
*
* Resets the atomic state for @plane by freeing the state pointer (which might
@@ -3214,8 +3220,9 @@ EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state);
* @conn_state: connector state to assign
*
* Initializes the newly allocated @conn_state and assigns it to
* #connector ->state, usually required when initializing the drivers
* or when called from the ->reset hook.
* the &drm_conector->state pointer of @connector, usually required when
* initializing the drivers or when called from the &drm_connector_funcs.reset
* hook.
*
* This is useful for drivers that subclass the connector state.
*/
@@ -3231,7 +3238,7 @@ __drm_atomic_helper_connector_reset(struct drm_connector *connector,
EXPORT_SYMBOL(__drm_atomic_helper_connector_reset);
/**
* drm_atomic_helper_connector_reset - default ->reset hook for connectors
* drm_atomic_helper_connector_reset - default &drm_connector_funcs.reset hook for connectors
* @connector: drm connector
*
* Resets the atomic state for @connector by freeing the state pointer (which