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authorVille Syrjälä <ville.syrjala@linux.intel.com>2020-02-14 03:41:24 -0800
committerUma Shankar <uma.shankar@intel.com>2020-02-20 13:53:55 +0530
commitf28014244d54114ee3b9ea27a3b48a9bee4a4e18 (patch)
treebbd75fd703a3798ed641931826056e0fa99b93d7 /drivers/gpu/drm
parentc014e07616c5ee18aee476947d90d99081e596d3 (diff)
drm/i915: Introduce encoder->compute_config_late()
Add an optional secondary encoder state compute hook. This gets called after the normak .compute_config() has been called for all the encoders in the state. Thus in the new hook we can rely on all derived state populated by .compute_config() to be already set up. Should be useful for MST and port sync master/slave transcoder selection. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200214114126.13192-1-manasi.d.navare@intel.com
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c39
-rw-r--r--drivers/gpu/drm/i915/display/intel_display_types.h3
2 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 87df5f937f94..e21ef3e8e083 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -13549,6 +13549,35 @@ encoder_retry:
return 0;
}
+static int
+intel_modeset_pipe_config_late(struct intel_crtc_state *crtc_state)
+{
+ struct intel_atomic_state *state =
+ to_intel_atomic_state(crtc_state->uapi.state);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_connector_state *conn_state;
+ struct drm_connector *connector;
+ int i;
+
+ for_each_new_connector_in_state(&state->base, connector,
+ conn_state, i) {
+ struct intel_encoder *encoder =
+ to_intel_encoder(conn_state->best_encoder);
+ int ret;
+
+ if (conn_state->crtc != &crtc->base ||
+ !encoder->compute_config_late)
+ continue;
+
+ ret = encoder->compute_config_late(encoder, crtc_state,
+ conn_state);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
bool intel_fuzzy_clock_check(int clock1, int clock2)
{
int diff;
@@ -14954,6 +14983,16 @@ static int intel_atomic_check(struct drm_device *dev,
ret = intel_modeset_pipe_config(new_crtc_state);
if (ret)
goto fail;
+ }
+
+ for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
+ new_crtc_state, i) {
+ if (!needs_modeset(new_crtc_state))
+ continue;
+
+ ret = intel_modeset_pipe_config_late(new_crtc_state);
+ if (ret)
+ goto fail;
intel_crtc_check_fastset(old_crtc_state, new_crtc_state);
}
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index ceabb4d23892..e6147364c413 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -141,6 +141,9 @@ struct intel_encoder {
int (*compute_config)(struct intel_encoder *,
struct intel_crtc_state *,
struct drm_connector_state *);
+ int (*compute_config_late)(struct intel_encoder *,
+ struct intel_crtc_state *,
+ struct drm_connector_state *);
void (*update_prepare)(struct intel_atomic_state *,
struct intel_encoder *,
struct intel_crtc *);