diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2018-06-09 19:33:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:38:44 -0500 |
| commit | 7f93c1de64693dc18afe55559f14cee6b5403c6c (patch) | |
| tree | c7c67e1f70254d825e9b8538621f473d592cc491 /drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | |
| parent | c1aaea99a43e39c7c8dc6c71b84589c89d5bcbf2 (diff) | |
drm/amd/display: add valid regoffset and NULL pointer check
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 3b983b3f3423..9cbd5036db07 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1475,7 +1475,7 @@ static void power_down_controllers(struct dc *dc) { int i; - for (i = 0; i < dc->res_pool->pipe_count; i++) { + for (i = 0; i < dc->res_pool->timing_generator_count; i++) { dc->res_pool->timing_generators[i]->funcs->disable_crtc( dc->res_pool->timing_generators[i]); } @@ -1515,12 +1515,13 @@ static void disable_vga_and_power_gate_all_controllers( struct timing_generator *tg; struct dc_context *ctx = dc->ctx; - for (i = 0; i < dc->res_pool->pipe_count; i++) { + for (i = 0; i < dc->res_pool->timing_generator_count; i++) { tg = dc->res_pool->timing_generators[i]; if (tg->funcs->disable_vga) tg->funcs->disable_vga(tg); - + } + for (i = 0; i < dc->res_pool->pipe_count; i++) { /* Enable CLOCK gating for each pipe BEFORE controller * powergating. */ enable_display_pipe_clock_gating(ctx, |