drm/amd/display: Adjust ABM 2.2 contrast parameters
authorJosip Pavic <Josip.Pavic@amd.com>
Thu, 10 Jan 2019 20:23:07 +0000 (15:23 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 25 Jan 2019 21:15:36 +0000 (16:15 -0500)
[Why]
Improved contrast in ABM 2.2 is desired

[How]
Increase the contrast factor for ABM levels 2, 3 and 4

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>
drivers/gpu/drm/amd/display/modules/power/power_helpers.c

index 29b7a26bea81e4139e1bb611e70ab5f026dcad1d..baab6c4ae1918461e000dd5a1196871f492a3b63 100644 (file)
@@ -517,9 +517,9 @@ void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame
        ram_table->hybridFactor[3] = 0xc0;
 
        ram_table->contrastFactor[0] = 0x99;
-       ram_table->contrastFactor[1] = 0x80;
-       ram_table->contrastFactor[2] = 0x80;
-       ram_table->contrastFactor[3] = 0x4D;
+       ram_table->contrastFactor[1] = 0x99;
+       ram_table->contrastFactor[2] = 0x99;
+       ram_table->contrastFactor[3] = 0x80;
 
        ram_table->iir_curve[0] = 0x65;
        ram_table->iir_curve[1] = 0x65;