From 07772b0715122222d5a3669fd794ac817ee1617c Mon Sep 17 00:00:00 2001 From: Josip Pavic Date: Tue, 8 Jan 2019 14:43:10 -0500 Subject: [PATCH] drm/amd/display: Update DMCU versioning mechanism [Why] Current date based versioning doesn't tell us about feature version and build version, and is not useful for debug. [How] Add versioning based on feature and build Signed-off-by: Josip Pavic Reviewed-by: Anthony Koo Acked-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 6 +++--- drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h | 6 +++--- drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 9 ++++----- 3 files changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c index e927c89..c2926cf 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c @@ -331,10 +331,10 @@ static void dcn10_get_dmcu_version(struct dmcu *dmcu) /* Write address to IRAM_RD_ADDR and read from DATA register */ REG_WRITE(DMCU_IRAM_RD_CTRL, dmcu_version_offset); dmcu->dmcu_version.interface_version = REG_READ(DMCU_IRAM_RD_DATA); - dmcu->dmcu_version.year = ((REG_READ(DMCU_IRAM_RD_DATA) << 8) | + dmcu->dmcu_version.abm_version = REG_READ(DMCU_IRAM_RD_DATA); + dmcu->dmcu_version.psr_version = REG_READ(DMCU_IRAM_RD_DATA); + dmcu->dmcu_version.build_version = ((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.date = REG_READ(DMCU_IRAM_RD_DATA); /* Disable write access to IRAM to allow dynamic sleep state */ REG_UPDATE_2(DMCU_RAM_ACCESS_CTRL, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h index ed32a75..cbaa438 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h @@ -39,10 +39,10 @@ enum dmcu_state { }; struct dmcu_version { - unsigned int date; - unsigned int month; - unsigned int year; unsigned int interface_version; + unsigned int abm_version; + unsigned int psr_version; + unsigned int build_version; }; struct dmcu { diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index 89b082b..5432183 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -87,11 +87,10 @@ struct iram_table_v_2 { /* For reading PSR State directly from IRAM */ uint8_t psr_state; /* 0xf0 */ - uint8_t dmcu_interface_version; /* 0xf1 */ - uint8_t dmcu_date_version_year_b0; /* 0xf2 */ - uint8_t dmcu_date_version_year_b1; /* 0xf3 */ - uint8_t dmcu_date_version_month; /* 0xf4 */ - uint8_t dmcu_date_version_day; /* 0xf5 */ + uint8_t dmcu_mcp_interface_version; /* 0xf1 */ + uint8_t dmcu_abm_feature_version; /* 0xf2 */ + uint8_t dmcu_psr_feature_version; /* 0xf3 */ + uint16_t dmcu_version; /* 0xf4 */ uint8_t dmcu_state; /* 0xf6 */ uint16_t blRampReduction; /* 0xf7 */ -- 2.7.4