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drm/i915: Pass the crtc state explicitly to intel_pipe_update_start/end()

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Pass the appropriate new crtc state explicitly to
intel_pipe_update_start/end() instead of of mucking around with
crtc->state.

v2: The mmio flip stuff is gone

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170823152226.22938-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2017-08-23 18:22:21 +03:00
parent 5c857e6050
commit d3a8fb3223
3 changed files with 32 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
drivers/gpu/drm/i915/intel_display.c
View file

@ -12942,13 +12942,13 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_crtc_state *intel_cstate =
to_intel_crtc_state(crtc->state);
struct intel_crtc_state *old_intel_cstate =
to_intel_crtc_state(old_crtc_state);
struct intel_atomic_state *old_intel_state =
to_intel_atomic_state(old_crtc_state->state);
bool modeset = needs_modeset(crtc->state);
struct intel_crtc_state *intel_cstate =
intel_atomic_get_new_crtc_state(old_intel_state, intel_crtc);
bool modeset = needs_modeset(&intel_cstate->base);
if (!modeset &&
(intel_cstate->base.color_mgmt_changed ||
@ -12958,7 +12958,7 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
}
/* Perform vblank evasion around commit operation */
intel_pipe_update_start(intel_crtc);
intel_pipe_update_start(intel_cstate);
if (modeset)
goto out;
@ -12978,8 +12978,12 @@ static void intel_finish_crtc_commit(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_atomic_state *old_intel_state =
to_intel_atomic_state(old_crtc_state->state);
struct intel_crtc_state *new_crtc_state =
intel_atomic_get_new_crtc_state(old_intel_state, intel_crtc);
intel_pipe_update_end(intel_crtc);
intel_pipe_update_end(new_crtc_state);
}
/**

12
drivers/gpu/drm/i915/intel_drv.h
View file

@ -1192,6 +1192,14 @@ hdmi_to_dig_port(struct intel_hdmi *intel_hdmi)
return container_of(intel_hdmi, struct intel_digital_port, hdmi);
}
static inline struct intel_crtc_state *
intel_atomic_get_new_crtc_state(struct intel_atomic_state *state,
struct intel_crtc *crtc)
{
return to_intel_crtc_state(drm_atomic_get_new_crtc_state(&state->base,
&crtc->base));
}
/* intel_fifo_underrun.c */
bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv,
enum pipe pipe, bool enable);
@ -1889,8 +1897,8 @@ struct intel_plane *intel_sprite_plane_create(struct drm_i915_private *dev_priv,
enum pipe pipe, int plane);
int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void intel_pipe_update_start(struct intel_crtc *crtc);
void intel_pipe_update_end(struct intel_crtc *crtc);
void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state);
void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state);
/* intel_tv.c */
void intel_tv_init(struct drm_i915_private *dev_priv);

27
drivers/gpu/drm/i915/intel_sprite.c
View file

@ -70,8 +70,7 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
/**
* intel_pipe_update_start() - start update of a set of display registers
* @crtc: the crtc of which the registers are going to be updated
* @start_vbl_count: vblank counter return pointer used for error checking
* @new_crtc_state: the new crtc state
*
* Mark the start of an update to pipe registers that should be updated
* atomically regarding vblank. If the next vblank will happens within
@ -79,18 +78,18 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
*
* After a successful call to this function, interrupts will be disabled
* until a subsequent call to intel_pipe_update_end(). That is done to
* avoid random delays. The value written to @start_vbl_count should be
* supplied to intel_pipe_update_end() for error checking.
* avoid random delays.
*/
void intel_pipe_update_start(struct intel_crtc *crtc)
void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
const struct drm_display_mode *adjusted_mode = &new_crtc_state->base.adjusted_mode;
long timeout = msecs_to_jiffies_timeout(1);
int scanline, min, max, vblank_start;
wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
bool need_vlv_dsi_wa = (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
intel_crtc_has_type(crtc->config, INTEL_OUTPUT_DSI);
intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI);
DEFINE_WAIT(wait);
vblank_start = adjusted_mode->crtc_vblank_start;
@ -170,15 +169,15 @@ void intel_pipe_update_start(struct intel_crtc *crtc)
/**
* intel_pipe_update_end() - end update of a set of display registers
* @crtc: the crtc of which the registers were updated
* @start_vbl_count: start vblank counter (used for error checking)
* @new_crtc_state: the new crtc state
*
* Mark the end of an update started with intel_pipe_update_start(). This
* re-enables interrupts and verifies the update was actually completed
* before a vblank using the value of @start_vbl_count.
* before a vblank.
*/
void intel_pipe_update_end(struct intel_crtc *crtc)
void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
enum pipe pipe = crtc->pipe;
int scanline_end = intel_get_crtc_scanline(crtc);
u32 end_vbl_count = intel_crtc_get_vblank_counter(crtc);
@ -191,14 +190,14 @@ void intel_pipe_update_end(struct intel_crtc *crtc)
* Would be slightly nice to just grab the vblank count and arm the
* event outside of the critical section - the spinlock might spin for a
* while ... */
if (crtc->base.state->event) {
if (new_crtc_state->base.event) {
WARN_ON(drm_crtc_vblank_get(&crtc->base) != 0);
spin_lock(&crtc->base.dev->event_lock);
drm_crtc_arm_vblank_event(&crtc->base, crtc->base.state->event);
drm_crtc_arm_vblank_event(&crtc->base, new_crtc_state->base.event);
spin_unlock(&crtc->base.dev->event_lock);
crtc->base.state->event = NULL;
new_crtc_state->base.event = NULL;
}
local_irq_enable();