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drm/amd/display: blank mechanism for supporting MPO 

blank/unblanck functionality apply_ctx_for_surface will update planes visibility
by manipulating Blender and CRTC HW modules.

Signed-off-by: Leon Elazar <leon.elazar@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leon Elazar 2017-01-05 17:47:43 -05:00 committed by Alex Deucher
parent cf388c0da8
commit b06b7680e3
2 changed files with 37 additions and 9 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -1246,10 +1246,6 @@ bool dc_pre_update_surfaces_to_target(
core_dc,
&context->res_ctx.pipe_ctx[j],
context);
if (!new_surfaces[i]->visible)
context->res_ctx.pipe_ctx[j].tg->funcs->set_blank(
context->res_ctx.pipe_ctx[j].tg, true);
}
unexpected_fail:

42
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -1409,20 +1409,52 @@ static void set_default_colors(struct pipe_ctx *pipe_ctx)
pipe_ctx->opp, &default_adjust);
}
static void program_blender(const struct core_dc *dc,
/*******************************************************************************
* In order to turn on/off specific surface we will program
* Blender + CRTC
*
* In case that we have two surfaces and they have a different visibility
* we can't turn off the CRTC since it will turn off the entire display
*
* |----------------------------------------------- |
* |bottom pipe|curr pipe | | |
* |Surface |Surface | Blender | CRCT |
* |visibility |visibility | Configuration| |
* |------------------------------------------------|
* | off | off | CURRENT_PIPE | blank |
* | off | on | CURRENT_PIPE | unblank |
* | on | off | OTHER_PIPE | unblank |
* | on | on | BLENDING | unblank |
* -------------------------------------------------|
*
******************************************************************************/
static void program_surface_visibility(const struct core_dc *dc,
struct pipe_ctx *pipe_ctx)
{
enum blnd_mode blender_mode = BLND_MODE_CURRENT_PIPE;
bool blank_target = false;
if (pipe_ctx->bottom_pipe) {
/* For now we are supporting only two pipes */
ASSERT(pipe_ctx->bottom_pipe->bottom_pipe == NULL);
if (pipe_ctx->bottom_pipe->surface->public.visible) {
if (pipe_ctx->surface->public.visible)
blender_mode = BLND_MODE_BLENDING;
else
blender_mode = BLND_MODE_OTHER_PIPE;
}
}
} else if (!pipe_ctx->surface->public.visible)
blank_target = true;
} else if (!pipe_ctx->surface->public.visible)
blank_target = true;
dce_set_blender_mode(dc->hwseq, pipe_ctx->pipe_idx, blender_mode);
pipe_ctx->tg->funcs->set_blank(pipe_ctx->tg, blank_target);
}
/**
@ -1495,7 +1527,7 @@ static void set_plane_config(
pipe_ctx->scl_data.lb_params.alpha_en = pipe_ctx->bottom_pipe != 0;
program_scaler(dc, pipe_ctx);
program_blender(dc, pipe_ctx);
program_surface_visibility(dc, pipe_ctx);
mi->funcs->mem_input_program_surface_config(
mi,
@ -1920,7 +1952,7 @@ static void dce110_apply_ctx_for_surface(
continue;
dce110_program_front_end_for_pipe(dc, pipe_ctx);
program_blender(dc, pipe_ctx);
program_surface_visibility(dc, pipe_ctx);
}
}