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drm/amd/display: track dpia support

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[why&how]
initialize a flag to track if we previously
supported dpia and write that to boot options

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Ausef Yousof <Ausef.Yousof@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ausef Yousof
2025-07-30 16:08:10 -04:00
committed by Alex Deucher
parent 8b715afa8f
commit 90868205b6
2 changed files with 5 additions and 3 deletions
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1
drivers/gpu/drm/amd/display/dmub/dmub_srv.h
View File

@@ -568,6 +568,7 @@ struct dmub_srv {
bool sw_init;
bool hw_init;
bool dpia_supported;
uint64_t fb_base;
uint64_t fb_offset;

7
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c
View File

@@ -400,13 +400,14 @@ union dmub_fw_boot_options dmub_dcn35_get_fw_boot_option(struct dmub_srv *dmub)
void dmub_dcn35_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params)
{
union dmub_fw_boot_options boot_options = {0};
union dmub_fw_boot_options cur_boot_options = {0};
cur_boot_options = dmub_dcn35_get_fw_boot_option(dmub);
if (!dmub->dpia_supported) {
dmub->dpia_supported = dmub_dcn35_get_fw_boot_option(dmub).bits.enable_dpia;
}
boot_options.bits.z10_disable = params->disable_z10;
boot_options.bits.dpia_supported = params->dpia_supported;
boot_options.bits.enable_dpia = cur_boot_options.bits.enable_dpia && !params->disable_dpia;
boot_options.bits.enable_dpia = dmub->dpia_supported && !params->disable_dpia;
boot_options.bits.usb4_cm_version = params->usb4_cm_version;
boot_options.bits.dpia_hpd_int_enable_supported = params->dpia_hpd_int_enable_supported;
boot_options.bits.power_optimization = params->power_optimization;