Commit 257e9891 authored by Josip Pavic's avatar Josip Pavic Committed by Alex Deucher
Browse files

drm/amd/display: cache trace buffer size 



[Why & How]
Cache the trace buffer size retrieved from DMUB FW in the driver

Reviewed-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: default avatarAric Cyr <aric.cyr@amd.com>
Acked-by: default avatarTom Chung <chiahsuan.chung@amd.com>
Signed-off-by: default avatarJosip Pavic <josip.pavic@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5b466b28

drivers/gpu/drm/amd/display/dmub/dmub_srv.h

+1 −0
Original line number Diff line number Diff line
@@ -428,6 +428,7 @@ struct dmub_srv { 
	enum dmub_asic asic;

	void *user_ctx;

	uint32_t fw_version;

	uint32_t trace_buffer_size;

	bool is_virtual;

	struct dmub_fb scratch_mem_fb;

	volatile const struct dmub_fw_state *fw_state;

drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c

+2 −0
Original line number Diff line number Diff line
@@ -427,6 +427,8 @@ dmub_srv_calc_region_info(struct dmub_srv *dmub, 
			dmub->fw_version = fw_info->fw_version;

	}



	dmub->trace_buffer_size = trace_buffer_size;



	trace_buff->base = dmub_align(mail->top, 256);

	trace_buff->top = trace_buff->base + dmub_align(trace_buffer_size, 64);