@@ -103,6 +103,8 @@ static void chv_prepare_pll(struct intel_crtc *crtc,
const struct intel_crtc_state *pipe_config);
static void intel_begin_crtc_commit(struct drm_crtc *crtc);
static void intel_finish_crtc_commit(struct drm_crtc *crtc);
+static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc,
+ struct intel_crtc_state *crtc_state);
static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe)
{
@@ -12769,6 +12771,7 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
primary->can_scale = false;
primary->max_downscale = 1;
+ state->scaler_id = -1;
primary->pipe = pipe;
primary->plane = pipe;
primary->check_plane = intel_check_primary_plane;
@@ -12924,6 +12927,7 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
cursor->max_downscale = 1;
cursor->pipe = pipe;
cursor->plane = pipe;
+ state->scaler_id = -1;
cursor->check_plane = intel_check_cursor_plane;
cursor->commit_plane = intel_commit_cursor_plane;
@@ -12950,6 +12954,24 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
return &cursor->base;
}
+static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc,
+ struct intel_crtc_state *crtc_state)
+{
+ int i;
+ struct intel_scaler *intel_scaler;
+ struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state;
+
+ for (i = 0; i < intel_crtc->num_scalers; i++) {
+ intel_scaler = &scaler_state->scalers[i];
+ intel_scaler->in_use = 0;
+ intel_scaler->id = i;
+
+ intel_scaler->mode = PS_SCALER_MODE_DYN;
+ }
+
+ scaler_state->scaler_id = -1;
+}
+
static void intel_crtc_init(struct drm_device *dev, int pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -12969,6 +12991,16 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
intel_crtc_set_state(intel_crtc, crtc_state);
crtc_state->base.crtc = &intel_crtc->base;
+ /* initialize shared scalers */
+ if (INTEL_INFO(dev)->gen >= 9) {
+ if (pipe == PIPE_C)
+ intel_crtc->num_scalers = 1;
+ else
+ intel_crtc->num_scalers = SKL_NUM_SCALERS;
+
+ skl_init_scalers(dev, intel_crtc, crtc_state);
+ }
+
primary = intel_primary_plane_create(dev, pipe);
if (!primary)
goto fail;
@@ -1263,6 +1263,7 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
intel_plane->max_downscale = 1;
intel_plane->update_plane = skl_update_plane;
intel_plane->disable_plane = skl_disable_plane;
+ state->scaler_id = -1;
plane_formats = skl_plane_formats;
num_plane_formats = ARRAY_SIZE(skl_plane_formats);
Initializing scalers with supported values during crtc init. v2: -initialize single copy of min/max values (Matt) v3: -moved gen check to callsite (Matt) v4: -squashed planes begin with no scaler to here (me) v5: -updated init function with updated scaler state structure (Matt) Signed-off-by: Chandra Konduru <chandra.konduru@intel.com> --- drivers/gpu/drm/i915/intel_display.c | 32 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_sprite.c | 1 + 2 files changed, 33 insertions(+)