[PATCH 04/24] drm/amd/display: tune backlight ramping profiles

Anson Jacob Anson.Jacob at amd.com
Thu Jun 10 16:28:18 UTC 2021


From: Josip Pavic <Josip.Pavic at amd.com>

[Why & How]
Tune backlight ramping profiles for each Vari-Bright level to suit
customer preferences

Signed-off-by: Josip Pavic <Josip.Pavic at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Acked-by: Anson Jacob <Anson.Jacob at amd.com>
---
 .../amd/display/modules/power/power_helpers.c | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
index 5e7331be1c0d..2b00f334e93d 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -87,19 +87,19 @@ struct abm_parameters {
 };
 
 static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = {
-//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blStart  blRed
-	{0xff,   0xbf,    0x20,   0x00,     0xff,        0x99,     0xb3, 0x40,     0xe0,     0xCCCC,  0xCCCC},
-	{0xde,   0x85,    0x20,   0x00,     0xff,        0x90,     0xa8, 0x40,     0xdf,     0xCCCC,  0xCCCC},
-	{0xb0,   0x50,    0x20,   0x00,     0xc0,        0x88,     0x78, 0x70,     0xa0,     0xCCCC,  0xCCCC},
-	{0x82,   0x40,    0x20,   0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xCCCC,  0xCCCC},
+//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blRed    blStart
+	{0xff,   0xbf,    0x20,       0x00,     0xff,        0x99,     0xb3, 0x40,     0xe0,     0xf777,  0xcccc},
+	{0xde,   0x85,    0x20,       0x00,     0xe0,        0x90,     0xa8, 0x40,     0xc8,     0xf777,  0xcccc},
+	{0xb0,   0x50,    0x20,       0x00,     0xc0,        0x88,     0x78, 0x70,     0xa0,     0xeeee,  0x9999},
+	{0x82,   0x40,    0x20,       0x00,     0x00,        0xb8,     0xb3, 0x70,     0x70,     0xe333,  0xb333},
 };
 
 static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = {
-//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blStart  blRed
-	{0xf0,   0xd9,    0x20,   0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xCCCC,  0xCCCC},
-	{0xcd,   0xa5,    0x20,   0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xCCCC,  0xCCCC},
-	{0x99,   0x65,    0x20,   0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xCCCC,  0xCCCC},
-	{0x82,   0x4d,    0x20,   0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xCCCC,  0xCCCC},
+//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blRed  blStart
+	{0xf0,   0xd9,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
+	{0xcd,   0xa5,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
+	{0x99,   0x65,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
+	{0x82,   0x4d,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
 };
 
 static const struct abm_parameters * const abm_settings[] = {
-- 
2.25.1



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