Provide and explanation as to why we skip GFX and PSP for
S0ix. GFX goes into gfxoff, same as runtime, so no need
to tear down and re-init. PSP is part of the always on
state, so no need to touch it.
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
continue;
}
- /* XXX fix these remaining cases */
+ /* skip suspend of gfx and psp for S0ix
+ * gfx is in gfxoff state, so on resume it will exit gfxoff just
+ * like at runtime. PSP is also part of the always on hardware
+ * so no need to suspend it.
+ */
if (adev->in_s0ix &&
- (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP || /* breaks resume */
- adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)) /* breaks suspend */
+ (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP ||
+ adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX))
continue;
/* XXX handle errors */