UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amd/display: setup system context in dm_init 

[why]
display S/G mode fails in Renoir

[how]
Setup system context in dm init.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yifan Zhang 2020-08-31 15:56:24 +08:00 committed by Alex Deucher
parent ff72bc4031
commit c0fb85ae02
1 changed files with 61 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -931,12 +931,67 @@ static void amdgpu_check_debugfs_connector_property_change(struct amdgpu_device
}
}
static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_addr_space_config *pa_config)
{
uint64_t pt_base;
uint32_t logical_addr_low;
uint32_t logical_addr_high;
uint32_t agp_base, agp_bot, agp_top;
PHYSICAL_ADDRESS_LOC page_table_start, page_table_end, page_table_base;
logical_addr_low = min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18;
pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
if (adev->apu_flags & AMD_APU_IS_RAVEN2)
/*
* Raven2 has a HW issue that it is unable to use the vram which
* is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the
* workaround that increase system aperture high address (add 1)
* to get rid of the VM fault and hardware hang.
*/
logical_addr_high = max((adev->gmc.fb_end >> 18) + 0x1, adev->gmc.agp_end >> 18);
else
logical_addr_high = max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18;
agp_base = 0;
agp_bot = adev->gmc.agp_start >> 24;
agp_top = adev->gmc.agp_end >> 24;
page_table_start.high_part = (u32)(adev->gmc.gart_start >> 44) & 0xF;
page_table_start.low_part = (u32)(adev->gmc.gart_start >> 12);
page_table_end.high_part = (u32)(adev->gmc.gart_end >> 44) & 0xF;
page_table_end.low_part = (u32)(adev->gmc.gart_end >> 12);
page_table_base.high_part = upper_32_bits(pt_base) & 0xF;
page_table_base.low_part = lower_32_bits(pt_base);
pa_config->system_aperture.start_addr = (uint64_t)logical_addr_low << 18;
pa_config->system_aperture.end_addr = (uint64_t)logical_addr_high << 18;
pa_config->system_aperture.agp_base = (uint64_t)agp_base << 24 ;
pa_config->system_aperture.agp_bot = (uint64_t)agp_bot << 24;
pa_config->system_aperture.agp_top = (uint64_t)agp_top << 24;
pa_config->system_aperture.fb_base = adev->gmc.fb_start;
pa_config->system_aperture.fb_offset = adev->gmc.aper_base;
pa_config->system_aperture.fb_top = adev->gmc.fb_end;
pa_config->gart_config.page_table_start_addr = page_table_start.quad_part << 12;
pa_config->gart_config.page_table_end_addr = page_table_end.quad_part << 12;
pa_config->gart_config.page_table_base_addr = page_table_base.quad_part;
pa_config->is_hvm_enabled = 0;
}
static int amdgpu_dm_init(struct amdgpu_device *adev)
{
struct dc_init_data init_data;
#ifdef CONFIG_DRM_AMD_DC_HDCP
struct dc_callback_init init_params;
#endif
struct dc_phy_addr_space_config pa_config;
int r;
adev->dm.ddev = adev_to_drm(adev);
@ -1042,6 +1097,11 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
dc_hardware_init(adev->dm.dc);
mmhub_read_system_context(adev, &pa_config);
// Call the DC init_memory func
dc_setup_system_context(adev->dm.dc, &pa_config);
adev->dm.freesync_module = mod_freesync_create(adev->dm.dc);
if (!adev->dm.freesync_module) {
DRM_ERROR(
@ -1088,6 +1148,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
goto error;
}
DRM_DEBUG_DRIVER("KMS initialized.\n");
return 0;