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drm/amd/display: prevent setting cursor position with no surface

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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 2017-01-19 17:54:39 -05:00 committed by Alex Deucher
parent dcbd4ee0fa
commit 0be06fc29b
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc_stream.c
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@ -232,8 +232,8 @@ bool dc_stream_set_cursor_position(
for (i = 0; i < MAX_PIPES; i++) { for (i = 0; i < MAX_PIPES; i++) {
struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
if ((pipe_ctx->stream == stream) && if (pipe_ctx->stream == stream &&
(pipe_ctx->ipp != NULL)) { pipe_ctx->ipp && pipe_ctx->surface) {
struct input_pixel_processor *ipp = pipe_ctx->ipp; struct input_pixel_processor *ipp = pipe_ctx->ipp;
struct dc_cursor_mi_param param = { struct dc_cursor_mi_param param = {
.pixel_clk_khz = dc_stream->timing.pix_clk_khz, .pixel_clk_khz = dc_stream->timing.pix_clk_khz,