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drm/amd/display: provide an interface to query firmware version 

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2018-02-07 23:25:43 -05:00 committed by Alex Deucher
parent 41b5b0a143
commit e923a355aa
4 changed files with 21 additions and 8 deletions
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7
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -39,6 +39,7 @@
#include "bios_parser_interface.h"
#include "include/irq_service_interface.h"
#include "transform.h"
#include "dmcu.h"
#include "dpp.h"
#include "timing_generator.h"
#include "virtual/virtual_link_encoder.h"
@ -609,6 +610,12 @@ struct dc *dc_create(const struct dc_init_data *init_params)
dc->caps.max_audios = dc->res_pool->audio_count;
dc->caps.linear_pitch_alignment = 64;
/* Populate versioning information */
dc->versions.dc_ver = DC_VER;
if (dc->res_pool->dmcu != NULL)
dc->versions.dmcu_version = dc->res_pool->dmcu->dmcu_version;
dc->config = init_params->flags;
dm_logger_write(dc->ctx->logger, LOG_DC,

13
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -48,6 +48,18 @@
/*******************************************************************************
* Display Core Interfaces
******************************************************************************/
struct dmcu_version {
unsigned int date;
unsigned int month;
unsigned int year;
unsigned int interface_version;
};
struct dc_versions {
const char *dc_ver;
struct dmcu_version dmcu_version;
};
struct dc_caps {
uint32_t max_streams;
uint32_t max_links;
@ -221,6 +233,7 @@ struct dc_state;
struct resource_pool;
struct dce_hwseq;
struct dc {
struct dc_versions versions;
struct dc_caps caps;
struct dc_cap_funcs cap_funcs;
struct dc_config config;

2
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
View File

@ -360,7 +360,7 @@ static void dcn10_get_dmcu_version(struct dmcu *dmcu)
dmcu->dmcu_version.year = ((REG_READ(DMCU_IRAM_RD_DATA) << 8) |
REG_READ(DMCU_IRAM_RD_DATA));
dmcu->dmcu_version.month = REG_READ(DMCU_IRAM_RD_DATA);
dmcu->dmcu_version.day = REG_READ(DMCU_IRAM_RD_DATA);
dmcu->dmcu_version.date = REG_READ(DMCU_IRAM_RD_DATA);
/* Disable write access to IRAM to allow dynamic sleep state */
REG_UPDATE_2(DMCU_RAM_ACCESS_CTRL,

7
drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
View File

@ -32,13 +32,6 @@ enum dmcu_state {
DMCU_RUNNING = 1
};
struct dmcu_version {
unsigned int day;
unsigned int month;
unsigned int year;
unsigned int interface_version;
};
struct dmcu {
struct dc_context *ctx;
const struct dmcu_funcs *funcs;