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drm/amd/display: Add DMUB support to DC

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DC will use DMUB for command submission and flow control during
initialization.

Register offloading as well as submitting some BIOS commands are part
of the DC internal interface but are guarded behind debug options.

It won't be functional in amdgpu_dm yet since we don't pass the
DMUB service to DC for use.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas
2019-10-25 15:03:58 -04:00
committed by Alex Deucher
parent 976e51a7c0
commit 3a1627b073
15 changed files with 640 additions and 1 deletions
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14
drivers/gpu/drm/amd/display/dc/dm_services.h
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@@ -40,6 +40,11 @@
#undef DEPRECATED
#ifdef CONFIG_DRM_AMD_DC_DMUB
struct dmub_srv;
struct dc_dmub_srv;
#endif
irq_handler_idx dm_register_interrupt(
struct dc_context *ctx,
struct dc_interrupt_params *int_params,
@@ -139,6 +144,15 @@ uint32_t generic_reg_update_ex(const struct dc_context *ctx,
uint32_t addr, int n,
uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...);
#ifdef CONFIG_DRM_AMD_DC_DMUB
struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub);
void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv);
void reg_sequence_start_gather(const struct dc_context *ctx);
void reg_sequence_start_execute(const struct dc_context *ctx);
void reg_sequence_wait_done(const struct dc_context *ctx);
#endif
#define FD(reg_field) reg_field ## __SHIFT, \
reg_field ## _MASK