[PATCH 04/21] drm/amd/display: fix dml max voltage state

sunpeng.li at amd.com sunpeng.li at amd.com
Thu Oct 25 13:18:21 UTC 2018


From: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>

Gabe's formula sometimes uses values from non-existent 'unsupported'
state to do validation.

This change adds this extra state so validation can work correctly.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Leo Li <sunpeng.li at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
index cbafce6..5dd0452 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
@@ -113,7 +113,8 @@ struct _vcs_dpi_soc_bounding_box_st {
 	int use_urgent_burst_bw;
 	double max_hscl_ratio;
 	double max_vscl_ratio;
-	struct _vcs_dpi_voltage_scaling_st clock_limits[7];
+	unsigned int num_states;
+	struct _vcs_dpi_voltage_scaling_st clock_limits[8];
 };
 
 struct _vcs_dpi_ip_params_st {
-- 
2.7.4



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