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authorjames qian wang (Arm Technology China) <james.qian.wang@arm.com>2019-07-08 07:59:45 +0100
committerLiviu Dudau <Liviu.Dudau@arm.com>2019-07-08 15:05:21 +0100
commit1930c11204b1d83549a6f5f32500b35a4b909dbb (patch)
tree353e1f7cd4537d11d8d27dff6ee8222c8ced4b0f /drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
parent75c5bf97ed2fec43f64c91b9e33a6cbd20c23cf9 (diff)
downloadlwn-1930c11204b1d83549a6f5f32500b35a4b909dbb.tar.gz
lwn-1930c11204b1d83549a6f5f32500b35a4b909dbb.zip
drm/komeda: Computing layer_split internally
For layer_split no need user to enable/disable it, but compute it in komeda internally, komeda will enable it if the scaling exceed the acceptable range of scaler. Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190708065923.4887-1-james.qian.wang@arm.com
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c')
-rw-r--r--drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
index 2b415ef2b7d3..972a0f25254d 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
@@ -784,9 +784,11 @@ komeda_timing_ctrlr_validate(struct komeda_timing_ctrlr *ctrlr,
return 0;
}
-void komeda_complete_data_flow_cfg(struct komeda_data_flow_cfg *dflow,
+void komeda_complete_data_flow_cfg(struct komeda_layer *layer,
+ struct komeda_data_flow_cfg *dflow,
struct drm_framebuffer *fb)
{
+ struct komeda_scaler *scaler = layer->base.pipeline->scalers[0];
u32 w = dflow->in_w;
u32 h = dflow->in_h;
@@ -803,6 +805,13 @@ void komeda_complete_data_flow_cfg(struct komeda_data_flow_cfg *dflow,
dflow->en_scaling = (w != dflow->out_w) || (h != dflow->out_h);
dflow->is_yuv = fb->format->is_yuv;
+
+ /* try to enable split if scaling exceed the scaler's acceptable
+ * input/output range.
+ */
+ if (dflow->en_scaling && scaler)
+ dflow->en_split = !in_range(&scaler->hsize, dflow->in_w) ||
+ !in_range(&scaler->hsize, dflow->out_w);
}
static bool merger_is_available(struct komeda_pipeline *pipe,