diff options
| author | Josip Pavic <Josip.Pavic@amd.com> | 2019-02-22 16:55:08 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:36:49 -0500 |
| commit | 6aac37daeb6228cabbd62ed5a39a6eae835682c8 (patch) | |
| tree | 789cb56ea3574112114d72eeb3d03608d8e37104 /drivers/gpu | |
| parent | 02553f57dcddc07a6770d391a54c7eabad59f391 (diff) | |
drm/amd/display: reduce abm min reduction, deviation gain and contrast factor
[Why]
Increased power savings are desired for ABM 2.2.
[How]
Reduce the minimum reduction level, the deviation gain and the contrast factor
to allow for more aggressive operation of the algorithm.
Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 15 |
1 files changed, 9 insertions, 6 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 038b88221c5f..efd386f3ca53 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -41,9 +41,12 @@ static const unsigned char min_reduction_table[13] = { static const unsigned char max_reduction_table[13] = { 0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32}; -/* ABM 2.2 Min Reduction effectively disabled (100% for all configs)*/ +/* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive + * 0 1 2 3 4 5 6 7 8 9 10 11 12 + * 100 100 100 100 100 100 100 90.2 85.1 80.0 80.0 75.3 75.3 % + */ static const unsigned char min_reduction_table_v_2_2[13] = { -0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; +0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe6, 0xd9, 0xcc, 0xcc, 0xc0, 0xc0}; /* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive * 0 1 2 3 4 5 6 7 8 9 10 11 12 @@ -408,9 +411,9 @@ void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame ram_table->flags = 0x0; ram_table->deviation_gain[0] = 0xb3; - ram_table->deviation_gain[1] = 0xb3; - ram_table->deviation_gain[2] = 0xb3; - ram_table->deviation_gain[3] = 0xb3; + ram_table->deviation_gain[1] = 0xa8; + ram_table->deviation_gain[2] = 0x98; + ram_table->deviation_gain[3] = 0x68; ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]]; ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]]; @@ -505,7 +508,7 @@ void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame ram_table->contrastFactor[0] = 0x99; ram_table->contrastFactor[1] = 0x99; - ram_table->contrastFactor[2] = 0x99; + ram_table->contrastFactor[2] = 0x90; ram_table->contrastFactor[3] = 0x80; ram_table->iir_curve[0] = 0x65; |