drm/amd/display: Update number of DCN3 clock states
authorAurabindo Pillai <aurabindo.pillai@amd.com>
Tue, 24 Aug 2021 19:10:50 +0000 (15:10 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 18 Sep 2021 11:40:37 +0000 (13:40 +0200)
commit 0bbf06d888734041e813b916d7821acd4f72005a upstream.

[Why & How]
The DCN3 SoC parameter num_states was calculated but not saved into the
object.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1403
Cc: stable@vger.kernel.org
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c

index e5f4f93..fcb2e1f 100644 (file)
@@ -2522,6 +2522,7 @@ void dcn30_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params
                        dram_speed_mts[num_states++] = bw_params->clk_table.entries[j++].memclk_mhz * 16;
                }
 
+               dcn3_0_soc.num_states = num_states;
                for (i = 0; i < dcn3_0_soc.num_states; i++) {
                        dcn3_0_soc.clock_limits[i].state = i;
                        dcn3_0_soc.clock_limits[i].dcfclk_mhz = dcfclk_mhz[i];