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drm/i915/display: Move the commit_tail() disable sequence to separate function

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Create a new function intel_commit_modeset_disables() consistent
with the naming in drm atomic helpers and similar to the enable function.
This helps better organize the disable sequence in atomic_commit_tail()

No functional change

v4:
* Do not create a function pointer, just a function (Maarten)
v3:
* Rebase (Manasi)
v2:
* Create a helper for old_crtc_state disables (Lucas)

Suggested-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190828224701.422-1-manasi.d.navare@intel.com
This commit is contained in:
Manasi Navare 2019-08-28 15:47:01 -07:00
parent 0c84127102
commit 66d9cec8a6
2 changed files with 59 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -13743,6 +13743,61 @@ static void intel_update_crtc(struct intel_crtc *crtc,
intel_finish_crtc_commit(state, crtc);
}
static void intel_old_crtc_state_disables(struct intel_atomic_state *state,
struct intel_crtc_state *old_crtc_state,
struct intel_crtc_state *new_crtc_state,
struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
intel_crtc_disable_planes(state, crtc);
/*
* We need to disable pipe CRC before disabling the pipe,
* or we race against vblank off.
*/
intel_crtc_disable_pipe_crc(crtc);
dev_priv->display.crtc_disable(old_crtc_state, state);
crtc->active = false;
intel_fbc_disable(crtc);
intel_disable_shared_dpll(old_crtc_state);
/*
* Underruns don't always raise interrupts,
* so check manually.
*/
intel_check_cpu_fifo_underruns(dev_priv);
intel_check_pch_fifo_underruns(dev_priv);
/* FIXME unify this for all platforms */
if (!new_crtc_state->base.active &&
!HAS_GMCH(dev_priv) &&
dev_priv->display.initial_watermarks)
dev_priv->display.initial_watermarks(state,
new_crtc_state);
}
static void intel_commit_modeset_disables(struct intel_atomic_state *state)
{
struct intel_crtc_state *new_crtc_state, *old_crtc_state;
struct intel_crtc *crtc;
int i;
for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
if (!needs_modeset(new_crtc_state))
continue;
intel_pre_plane_update(old_crtc_state, new_crtc_state);
if (old_crtc_state->base.active)
intel_old_crtc_state_disables(state,
old_crtc_state,
new_crtc_state,
crtc);
}
}
static void intel_commit_modeset_enables(struct intel_atomic_state *state)
{
struct intel_crtc *crtc;
@ -13923,42 +13978,10 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
put_domains[crtc->pipe] =
modeset_get_crtc_power_domains(new_crtc_state);
}
if (!needs_modeset(new_crtc_state))
continue;
intel_pre_plane_update(old_crtc_state, new_crtc_state);
if (old_crtc_state->base.active) {
intel_crtc_disable_planes(state, crtc);
/*
* We need to disable pipe CRC before disabling the pipe,
* or we race against vblank off.
*/
intel_crtc_disable_pipe_crc(crtc);
dev_priv->display.crtc_disable(old_crtc_state, state);
crtc->active = false;
intel_fbc_disable(crtc);
intel_disable_shared_dpll(old_crtc_state);
/*
* Underruns don't always raise
* interrupts, so check manually.
*/
intel_check_cpu_fifo_underruns(dev_priv);
intel_check_pch_fifo_underruns(dev_priv);
/* FIXME unify this for all platforms */
if (!new_crtc_state->base.active &&
!HAS_GMCH(dev_priv) &&
dev_priv->display.initial_watermarks)
dev_priv->display.initial_watermarks(state,
new_crtc_state);
}
}
intel_commit_modeset_disables(state);
/* FIXME: Eventually get rid of our crtc->config pointer */
for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i)
crtc->config = new_crtc_state;
@ -15909,6 +15932,7 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
dev_priv->display.commit_modeset_enables = skl_commit_modeset_enables;
else
dev_priv->display.commit_modeset_enables = intel_commit_modeset_enables;
}
static i915_reg_t i915_vgacntrl_reg(struct drm_i915_private *dev_priv)

1
drivers/gpu/drm/i915/i915_drv.h
View File

@ -289,6 +289,7 @@ struct drm_i915_display_funcs {
void (*crtc_disable)(struct intel_crtc_state *old_crtc_state,
struct intel_atomic_state *old_state);
void (*commit_modeset_enables)(struct intel_atomic_state *state);
void (*commit_modeset_disables)(struct intel_atomic_state *state);
void (*audio_codec_enable)(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);