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drm/amd/display: fix scaling info based surface update type check

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Signed-off-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:
Dmytro Laktyushkin 2017-05-10 18:05:02 -04:00 committed by Alex Deucher
parent 0e12c3f6a0
commit b71a061801
1 changed files with 13 additions and 34 deletions
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47
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -1122,45 +1122,24 @@ static enum surface_update_type get_plane_info_update_type(
static enum surface_update_type get_scaling_info_update_type(
const struct dc_surface_update *u)
{
struct dc_scaling_info temp_scaling_info = { { 0 } };
if (!u->scaling_info)
return UPDATE_TYPE_FAST;
/* Copy all parameters that will cause a full update
* from current surface, the rest of the parameters
* from provided plane configuration.
* Perform memory compare and special validation
* for those that can cause fast/medium updates
*/
/* Full Update Parameters */
temp_scaling_info.dst_rect = u->surface->dst_rect;
temp_scaling_info.src_rect = u->surface->src_rect;
temp_scaling_info.scaling_quality = u->surface->scaling_quality;
/* Special validation required */
temp_scaling_info.clip_rect = u->scaling_info->clip_rect;
if (memcmp(u->scaling_info, &temp_scaling_info,
sizeof(struct dc_scaling_info)) != 0)
if (u->scaling_info->src_rect.width != u->surface->src_rect.width
|| u->scaling_info->src_rect.height != u->surface->src_rect.height
|| u->scaling_info->clip_rect.width != u->surface->clip_rect.width
|| u->scaling_info->clip_rect.height != u->surface->clip_rect.height
|| u->scaling_info->dst_rect.width != u->surface->dst_rect.width
|| u->scaling_info->dst_rect.height != u->surface->dst_rect.height)
return UPDATE_TYPE_FULL;
/* Check Clip rectangles if not equal
* difference is in offsets == > UPDATE_TYPE_MED
* difference is in dimensions == > UPDATE_TYPE_FULL
*/
if (memcmp(&u->scaling_info->clip_rect,
&u->surface->clip_rect, sizeof(struct rect)) != 0) {
if ((u->scaling_info->clip_rect.height ==
u->surface->clip_rect.height) &&
(u->scaling_info->clip_rect.width ==
u->surface->clip_rect.width)) {
return UPDATE_TYPE_MED;
} else {
return UPDATE_TYPE_FULL;
}
}
if (u->scaling_info->src_rect.x != u->surface->src_rect.x
|| u->scaling_info->src_rect.y != u->surface->src_rect.y
|| u->scaling_info->clip_rect.x != u->surface->clip_rect.x
|| u->scaling_info->clip_rect.y != u->surface->clip_rect.y
|| u->scaling_info->dst_rect.x != u->surface->dst_rect.x
|| u->scaling_info->dst_rect.y != u->surface->dst_rect.y)
return UPDATE_TYPE_MED;
return UPDATE_TYPE_FAST;
}