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drm/amd/display: Enable runtime register offset init for DCN32 DMUB

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[Why&How]
DMUB subsystem was continuing to use compile time offset calculation for
register access. Switch this to runtime calculation to stay consistent
with rest of DC code.

To enable this, an additional interface init_reg_offsets() are added to
DMUB's hw_funcs struct. Asics with runtime register offset calculation
enabled shall populate this hook with a fn pointer that will invoke the
necessary macros to calculate the offset.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai
2023-08-08 16:25:59 -04:00
committed by Alex Deucher
parent 45f98fccb1
commit 96182df99d
5 changed files with 35 additions and 19 deletions
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3
drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
View File

@@ -78,6 +78,8 @@
#define DMUB_REGION5_BASE (0xA0000000)
static struct dmub_srv_dcn32_regs dmub_srv_dcn32_regs;
static inline uint32_t dmub_align(uint32_t val, uint32_t factor)
{
return (val + factor - 1) / factor * factor;
@@ -304,6 +306,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
funcs->set_outbox0_rptr = dmub_dcn32_set_outbox0_rptr;
funcs->get_current_time = dmub_dcn32_get_current_time;
funcs->get_diagnostic_data = dmub_dcn32_get_diagnostic_data;
funcs->init_reg_offsets = dmub_srv_dcn32_regs_init;
break;