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authorJiri Kosina <jkosina@suse.cz>2022-01-10 09:56:57 +0100
committerJiri Kosina <jkosina@suse.cz>2022-01-10 09:56:57 +0100
commit3551a3ff8229e15d2a4b47b8234923bc72da65ef (patch)
treea62465753397b0268529a5d0b9ab43a8840069ad /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
parent906095af85e8b2e53ee9f8c50b3dff365aa09df8 (diff)
parent33a5c2793451770cb6dcf0cc35c76cfd4b045513 (diff)
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Merge branch 'for-5.17/letsketch' into for-linus
- new driver to support for LetSketch device (Hans de Goede)
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c12
1 files changed, 11 insertions, 1 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 1cd6b9f4a568..e727f1dd2a9a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1051,6 +1051,11 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
return 0;
}
+ /* Reset DMCUB if it was previously running - before we overwrite its memory. */
+ status = dmub_srv_hw_reset(dmub_srv);
+ if (status != DMUB_STATUS_OK)
+ DRM_WARN("Error resetting DMUB HW: %d\n", status);
+
hdr = (const struct dmcub_firmware_header_v1_0 *)dmub_fw->data;
fw_inst_const = dmub_fw->data +
@@ -2576,7 +2581,8 @@ static int dm_resume(void *handle)
*/
link_enc_cfg_init(dm->dc, dc_state);
- amdgpu_dm_outbox_init(adev);
+ if (dc_enable_dmub_notifications(adev->dm.dc))
+ amdgpu_dm_outbox_init(adev);
r = dm_dmub_hw_init(adev);
if (r)
@@ -2625,6 +2631,10 @@ static int dm_resume(void *handle)
/* TODO: Remove dc_state->dccg, use dc->dccg directly. */
dc_resource_state_construct(dm->dc, dm_state->context);
+ /* Re-enable outbox interrupts for DPIA. */
+ if (dc_enable_dmub_notifications(adev->dm.dc))
+ amdgpu_dm_outbox_init(adev);
+
/* Before powering on DC we need to re-initialize DMUB. */
r = dm_dmub_hw_init(adev);
if (r)