diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-06-15 03:06:37 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-06-15 03:06:37 +0000 |
| commit | 5d3e24aa454ff9a0655ef041f3bcd600cbd6da43 (patch) | |
| tree | 0f2f78ef98df6ed1b9abae686c92f9b39ecca692 /sys | |
| parent | 24b913acb234ae83c6609b3e712ec5f44c0d3173 (diff) | |
drm/amdgpu/gmc11: implement get_vbios_fb_size()
From Alex Deucher
9de5a985884acff022375a29bd5166bfabbded07 in linux-6.1.y/6.1.30
68518294d00da6a2433357af75a63abc6030676e in mainline linux
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/drm/amd/amdgpu/gmc_v11_0.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/gmc_v11_0.c b/sys/dev/pci/drm/amd/amdgpu/gmc_v11_0.c index 2252e10d3a2..47b564058e8 100644 --- a/sys/dev/pci/drm/amd/amdgpu/gmc_v11_0.c +++ b/sys/dev/pci/drm/amd/amdgpu/gmc_v11_0.c @@ -31,6 +31,8 @@ #include "umc_v8_10.h" #include "athub/athub_3_0_0_sh_mask.h" #include "athub/athub_3_0_0_offset.h" +#include "dcn/dcn_3_2_0_offset.h" +#include "dcn/dcn_3_2_0_sh_mask.h" #include "oss/osssys_6_0_0_offset.h" #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h" #include "navi10_enum.h" @@ -523,7 +525,24 @@ static void gmc_v11_0_get_vm_pte(struct amdgpu_device *adev, static unsigned gmc_v11_0_get_vbios_fb_size(struct amdgpu_device *adev) { - return 0; + u32 d1vga_control = RREG32_SOC15(DCE, 0, regD1VGA_CONTROL); + unsigned size; + + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = AMDGPU_VBIOS_VGA_ALLOCATION; + } else { + u32 viewport; + u32 pitch; + + viewport = RREG32_SOC15(DCE, 0, regHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION); + pitch = RREG32_SOC15(DCE, 0, regHUBPREQ0_DCSURF_SURFACE_PITCH); + size = (REG_GET_FIELD(viewport, + HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * + REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) * + 4); + } + + return size; } static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = { |