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authorPo-Ting Chen <robin.chen@amd.com>2021-01-28 10:26:56 +0300
committerAlex Deucher <alexander.deucher@amd.com>2021-02-19 00:43:10 +0300
commit51a192438bb4cbfa58127e5076b3849e29ec1c4d (patch)
tree0517a6a28d9c1060e8159e5508d7fb7f1d1bee27 /drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
parent5b54d6797994fe93432970145c93b9747a3c8d6c (diff)
downloadlinux-51a192438bb4cbfa58127e5076b3849e29ec1c4d.tar.xz
drm/amd/display: Change ABM sample rate
[Why] To get the pixel statistics on every frame, change ABM sample rate from 2 to 1. [How] Change LS, HS and BL sample rate to 1. Signed-off-by: Po-Ting Chen <robin.chen@amd.com> Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
index 453aaa5757bd..eb1698d54a48 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
@@ -72,11 +72,11 @@ static void dmub_abm_init(struct abm *abm, uint32_t backlight)
{
struct dce_abm *dce_abm = TO_DMUB_ABM(abm);
- REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x103);
- REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x101);
- REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x103);
- REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x101);
- REG_WRITE(BL1_PWM_BL_UPDATE_SAMPLE_RATE, 0x101);
+ REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x3);
+ REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x1);
+ REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x3);
+ REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x1);
+ REG_WRITE(BL1_PWM_BL_UPDATE_SAMPLE_RATE, 0x1);
REG_SET_3(DC_ABM1_HG_MISC_CTRL, 0,
ABM1_HG_NUM_OF_BINS_SEL, 0,