diff options
author | Jake Wang | 2021-08-05 14:43:41 -0400 |
---|---|---|
committer | Alex Deucher | 2021-08-16 16:04:24 -0400 |
commit | 71ae580f31f27cdacbabf0b798b27fa0bffeb9a1 (patch) | |
tree | c07d9e1bba0c2cd04a143c904f3f9fe071dc2441 /drivers/gpu | |
parent | f924f3a1f0c70e27a5a39ebc9e294dd8489f6927 (diff) |
drm/amd/display: Ensure DCN save after VM setup
[Why]
DM initializes VM context after DMCUB initialization.
This results in loss of DCN_VM_CONTEXT registers after z10.
[How]
Notify DMCUB when VM setup is complete, and have DMCUB
save init registers.
v2: squash in CONFIG_DRM_AMD_DC_DCN3_1 fix
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 5 |
8 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 605e297b7a59..a30283fa5173 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1530,6 +1530,12 @@ void dc_z10_restore(struct dc *dc) if (dc->hwss.z10_restore) dc->hwss.z10_restore(dc); } + +void dc_z10_save_init(struct dc *dc) +{ + if (dc->hwss.z10_save_init) + dc->hwss.z10_save_init(dc); +} #endif /* * Applies given context to HW and copy it into current context. diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c b/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c index f2b39ec35c89..cde8ed2560b3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c @@ -47,6 +47,9 @@ int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_c */ memcpy(&dc->vm_pa_config, pa_config, sizeof(struct dc_phy_addr_space_config)); dc->vm_pa_config.valid = true; +#if defined(CONFIG_DRM_AMD_DC_DCN) + dc_z10_save_init(dc); +#endif } return num_vmids; diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index af7b60108e9d..21d78289b048 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1338,6 +1338,7 @@ void dc_hardware_release(struct dc *dc); bool dc_set_psr_allow_active(struct dc *dc, bool enable); #if defined(CONFIG_DRM_AMD_DC_DCN) void dc_z10_restore(struct dc *dc); +void dc_z10_save_init(struct dc *dc); #endif bool dc_enable_dmub_notifications(struct dc *dc); diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c index 6ac6faf0c533..8a2119d8ca0d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c @@ -404,6 +404,18 @@ void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx) &pipe_ctx->stream_res.encoder_info_frame); } } +void dcn31_z10_save_init(struct dc *dc) +{ + union dmub_rb_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT; + cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT; + + dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv); + dc_dmub_srv_wait_idle(dc->ctx->dmub_srv); +} void dcn31_z10_restore(struct dc *dc) { diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h index 40dfebe78fdd..140435e4f7ff 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h @@ -44,6 +44,7 @@ void dcn31_enable_power_gating_plane( void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx); void dcn31_z10_restore(struct dc *dc); +void dcn31_z10_save_init(struct dc *dc); void dcn31_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on); int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config); diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c index aaf2dbd095fe..b30d923471cb 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c @@ -97,6 +97,7 @@ static const struct hw_sequencer_funcs dcn31_funcs = { .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .set_pipe = dcn21_set_pipe, .z10_restore = dcn31_z10_restore, + .z10_save_init = dcn31_z10_save_init, .is_abm_supported = dcn31_is_abm_supported, .set_disp_pattern_generator = dcn30_set_disp_pattern_generator, .update_visual_confirm_color = dcn20_update_visual_confirm_color, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h index 5ab008e62b82..ad5f2adcc40d 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h @@ -237,6 +237,7 @@ struct hw_sequencer_funcs { int width, int height, int offset); void (*z10_restore)(struct dc *dc); + void (*z10_save_init)(struct dc *dc); void (*update_visual_confirm_color)(struct dc *dc, struct pipe_ctx *pipe_ctx, diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index 7c4734f905d9..7fafb8d6c1da 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -856,6 +856,11 @@ enum dmub_cmd_idle_opt_type { * DCN hardware restore. */ DMUB_CMD__IDLE_OPT_DCN_RESTORE = 0, + + /** + * DCN hardware save. + */ + DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT = 1 }; /** |