Thread (440 messages) flat view 440 messages, 8 authors, 2021-09-17
STALE1825d REVIEWED: 1 (1M)

1 review trailer.

[PATCH 5.14 423/432] drm/amd/display: Update number of DCN3 clock states

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-09-16 17:51:45
Also in: lkml

From: Aurabindo Pillai <redacted>

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 <redacted>
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 |    1 +
 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -2467,6 +2467,7 @@ void dcn30_update_bw_bounding_box(struct
 			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];

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