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authorHarry Wentland <harry.wentland@amd.com>2020-05-28 09:44:44 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-05-29 13:58:12 -0400
commit14ed1c908a7a623cc0cbf0203f8201d1b7d31d16 (patch)
tree2800aa151c81c99775c66226973a2d8648729207 /drivers/gpu/drm/amd
parentcc831b9781e871e2bde00e9ae0041152139ee304 (diff)
Revert "drm/amd/display: disable dcn20 abm feature for bring up"
This reverts commit 96cb7cf13d8530099c256c053648ad576588c387. This change was used for DCN2 bringup and is no longer desired. In fact it breaks backlight on DCN2 systems. Cc: Alexander Monakov <amonakov@ispras.ru> Cc: Hersen Wu <hersenxs.wu@amd.com> Cc: Anthony Koo <Anthony.Koo@amd.com> Cc: Michael Chiu <Michael.Chiu@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reported-and-tested-by: Alexander Monakov <amonakov@ispras.ru> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index d53c60b37cc6..f42e7e67ddba 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1356,7 +1356,7 @@ static int dm_late_init(void *handle)
unsigned int linear_lut[16];
int i;
struct dmcu *dmcu = NULL;
- bool ret = false;
+ bool ret;
if (!adev->dm.fw_dmcu)
return detect_mst_link_for_all_connectors(adev->ddev);
@@ -1377,13 +1377,10 @@ static int dm_late_init(void *handle)
*/
params.min_abm_backlight = 0x28F;
- /* todo will enable for navi10 */
- if (adev->asic_type <= CHIP_RAVEN) {
- ret = dmcu_load_iram(dmcu, params);
+ ret = dmcu_load_iram(dmcu, params);
- if (!ret)
- return -EINVAL;
- }
+ if (!ret)
+ return -EINVAL;
return detect_mst_link_for_all_connectors(adev->ddev);
}