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drm/amd/display: add null check for cursor functions

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Signed-off-by: Yue Hin Lau <Yuehin.Lau@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:
Yue Hin Lau 2017-10-05 17:57:35 -04:00 committed by Alex Deucher
parent e6f4f9cfde
commit 39a4e6608f
1 changed files with 10 additions and 4 deletions
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14
drivers/gpu/drm/amd/display/dc/core/dc_stream.c
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@ -210,11 +210,13 @@ bool dc_stream_set_cursor_attributes(
pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes(
pipe_ctx->plane_res.ipp, attributes);
if (pipe_ctx->plane_res.hubp != NULL)
if (pipe_ctx->plane_res.hubp != NULL &&
pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes != NULL)
pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
pipe_ctx->plane_res.hubp, attributes);
if (pipe_ctx->plane_res.mi != NULL)
if (pipe_ctx->plane_res.mi != NULL &&
pipe_ctx->plane_res.mi->funcs->set_cursor_attributes != NULL)
pipe_ctx->plane_res.mi->funcs->set_cursor_attributes(
pipe_ctx->plane_res.mi, attributes);
@ -253,6 +255,7 @@ bool dc_stream_set_cursor_position(
for (i = 0; i < MAX_PIPES; i++) {
struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp;
struct mem_input *mi = pipe_ctx->plane_res.mi;
struct hubp *hubp = pipe_ctx->plane_res.hubp;
struct transform *xfm = pipe_ctx->plane_res.xfm;
struct dc_cursor_position pos_cpy = *position;
@ -281,10 +284,13 @@ bool dc_stream_set_cursor_position(
if (ipp->funcs->ipp_cursor_set_position != NULL)
ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param);
if (hubp != NULL)
if (mi != NULL && mi->funcs->set_cursor_position != NULL)
mi->funcs->set_cursor_position(mi, &pos_cpy, &param);
if (hubp != NULL && hubp->funcs->set_cursor_position != NULL)
hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param);
if (xfm != NULL)
if (xfm != NULL && xfm->funcs->set_cursor_position != NULL)
xfm->funcs->set_cursor_position(xfm, &pos_cpy, &param, hubp->curs_attr.width);
}