On 2020-05-28 10:08 a.m., Alex Deucher wrote:
On Thu, May 28, 2020 at 9:47 AM Harry Wentland <harry.wentland@xxxxxxx> wrote:
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@xxxxxxxxx>
Cc: Hersen Wu <hersenxs.wu@xxxxxxx>
Cc: Anthony Koo <Anthony.Koo@xxxxxxx>
Cc: Michael Chiu <Michael.Chiu@xxxxxxx>
Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 11 ++++-------
1 file 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 ddc979e3eebe..acd4874e0743 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);
}
--
2.26.2
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