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drm/radeon: use new cg/pg flags for SI

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Allows us finer grained control over clock and
powergating on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-08-08 18:00:10 -04:00
parent 64d8a728c7
commit 0116e1efaf
2 changed files with 128 additions and 29 deletions
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98
drivers/gpu/drm/radeon/radeon_asic.c
View file

@ -2335,6 +2335,104 @@ int radeon_asic_init(struct radeon_device *rdev)
rdev->has_uvd = false;
else
rdev->has_uvd = true;
switch (rdev->family) {
case CHIP_TAHITI:
rdev->cg_flags =
RADEON_CG_SUPPORT_GFX_MGCG |
RADEON_CG_SUPPORT_GFX_MGLS |
RADEON_CG_SUPPORT_GFX_CGCG |
RADEON_CG_SUPPORT_GFX_CGLS |
RADEON_CG_SUPPORT_GFX_CGTS |
RADEON_CG_SUPPORT_GFX_CP_LS |
RADEON_CG_SUPPORT_MC_MGCG |
RADEON_CG_SUPPORT_SDMA_MGCG |
RADEON_CG_SUPPORT_BIF_LS |
RADEON_CG_SUPPORT_VCE_MGCG |
RADEON_CG_SUPPORT_UVD_MGCG |
RADEON_CG_SUPPORT_HDP_LS |
RADEON_CG_SUPPORT_HDP_MGCG;
rdev->pg_flags = 0;
break;
case CHIP_PITCAIRN:
rdev->cg_flags =
RADEON_CG_SUPPORT_GFX_MGCG |
RADEON_CG_SUPPORT_GFX_MGLS |
RADEON_CG_SUPPORT_GFX_CGCG |
RADEON_CG_SUPPORT_GFX_CGLS |
RADEON_CG_SUPPORT_GFX_CGTS |
RADEON_CG_SUPPORT_GFX_CP_LS |
RADEON_CG_SUPPORT_GFX_RLC_LS |
RADEON_CG_SUPPORT_MC_LS |
RADEON_CG_SUPPORT_MC_MGCG |
RADEON_CG_SUPPORT_SDMA_MGCG |
RADEON_CG_SUPPORT_BIF_LS |
RADEON_CG_SUPPORT_VCE_MGCG |
RADEON_CG_SUPPORT_UVD_MGCG |
RADEON_CG_SUPPORT_HDP_LS |
RADEON_CG_SUPPORT_HDP_MGCG;
rdev->pg_flags = 0;
break;
case CHIP_VERDE:
rdev->cg_flags =
RADEON_CG_SUPPORT_GFX_MGCG |
RADEON_CG_SUPPORT_GFX_MGLS |
RADEON_CG_SUPPORT_GFX_CGCG |
RADEON_CG_SUPPORT_GFX_CGLS |
RADEON_CG_SUPPORT_GFX_CGTS |
RADEON_CG_SUPPORT_GFX_CP_LS |
RADEON_CG_SUPPORT_GFX_RLC_LS |
RADEON_CG_SUPPORT_MC_LS |
RADEON_CG_SUPPORT_MC_MGCG |
RADEON_CG_SUPPORT_SDMA_MGCG |
RADEON_CG_SUPPORT_BIF_LS |
RADEON_CG_SUPPORT_VCE_MGCG |
RADEON_CG_SUPPORT_UVD_MGCG |
RADEON_CG_SUPPORT_HDP_LS |
RADEON_CG_SUPPORT_HDP_MGCG;
rdev->pg_flags = 0;
/*RADEON_PG_SUPPORT_GFX_CG |
RADEON_PG_SUPPORT_SDMA;*/
break;
case CHIP_OLAND:
rdev->cg_flags =
RADEON_CG_SUPPORT_GFX_MGCG |
RADEON_CG_SUPPORT_GFX_MGLS |
RADEON_CG_SUPPORT_GFX_CGCG |
RADEON_CG_SUPPORT_GFX_CGLS |
RADEON_CG_SUPPORT_GFX_CGTS |
RADEON_CG_SUPPORT_GFX_CP_LS |
RADEON_CG_SUPPORT_GFX_RLC_LS |
RADEON_CG_SUPPORT_MC_LS |
RADEON_CG_SUPPORT_MC_MGCG |
RADEON_CG_SUPPORT_SDMA_MGCG |
RADEON_CG_SUPPORT_BIF_LS |
RADEON_CG_SUPPORT_UVD_MGCG |
RADEON_CG_SUPPORT_HDP_LS |
RADEON_CG_SUPPORT_HDP_MGCG;
rdev->pg_flags = 0;
break;
case CHIP_HAINAN:
rdev->cg_flags =
RADEON_CG_SUPPORT_GFX_MGCG |
RADEON_CG_SUPPORT_GFX_MGLS |
RADEON_CG_SUPPORT_GFX_CGCG |
RADEON_CG_SUPPORT_GFX_CGLS |
RADEON_CG_SUPPORT_GFX_CGTS |
RADEON_CG_SUPPORT_GFX_CP_LS |
RADEON_CG_SUPPORT_GFX_RLC_LS |
RADEON_CG_SUPPORT_MC_LS |
RADEON_CG_SUPPORT_MC_MGCG |
RADEON_CG_SUPPORT_SDMA_MGCG |
RADEON_CG_SUPPORT_BIF_LS |
RADEON_CG_SUPPORT_HDP_LS |
RADEON_CG_SUPPORT_HDP_MGCG;
rdev->pg_flags = 0;
break;
default:
rdev->cg_flags = 0;
rdev->pg_flags = 0;
break;
}
break;
case CHIP_BONAIRE:
rdev->asic = &ci_asic;

59
drivers/gpu/drm/radeon/si.c
View file

@ -5121,39 +5121,44 @@ static void si_enable_mc_ls(struct radeon_device *rdev,
static void si_init_cg(struct radeon_device *rdev)
{
si_enable_mgcg(rdev, true);
si_enable_cgcg(rdev, false);
/* disable MC LS on Tahiti */
if (rdev->family == CHIP_TAHITI)
if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)
si_enable_mgcg(rdev, true);
if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)
si_enable_cgcg(rdev, false/*true*/);
/* Disable MC LS on tahiti */
if (!(rdev->cg_flags & RADEON_CG_SUPPORT_MC_LS))
si_enable_mc_ls(rdev, false);
if (rdev->has_uvd) {
si_enable_uvd_mgcg(rdev, true);
if (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)
si_enable_uvd_mgcg(rdev, true);
si_init_uvd_internal_cg(rdev);
}
}
static void si_fini_cg(struct radeon_device *rdev)
{
if (rdev->has_uvd)
si_enable_uvd_mgcg(rdev, false);
si_enable_cgcg(rdev, false);
si_enable_mgcg(rdev, false);
if (rdev->has_uvd) {
if (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)
si_enable_uvd_mgcg(rdev, false);
}
if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)
si_enable_cgcg(rdev, false);
if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)
si_enable_mgcg(rdev, false);
}
static void si_init_pg(struct radeon_device *rdev)
{
bool has_pg = false;
#if 0
/* only cape verde supports PG */
if (rdev->family == CHIP_VERDE)
has_pg = true;
#endif
if (has_pg) {
if (rdev->pg_flags) {
if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA) {
si_init_dma_pg(rdev);
si_enable_dma_pg(rdev, true);
}
si_init_ao_cu_mask(rdev);
si_init_dma_pg(rdev);
si_enable_dma_pg(rdev, true);
si_init_gfx_cgpg(rdev);
si_enable_gfx_cgpg(rdev, true);
if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_CG) {
si_init_gfx_cgpg(rdev);
si_enable_gfx_cgpg(rdev, true);
}
} else {
WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
@ -5162,15 +5167,11 @@ static void si_init_pg(struct radeon_device *rdev)
static void si_fini_pg(struct radeon_device *rdev)
{
bool has_pg = false;
/* only cape verde supports PG */
if (rdev->family == CHIP_VERDE)
has_pg = true;
if (has_pg) {
si_enable_dma_pg(rdev, false);
si_enable_gfx_cgpg(rdev, false);
if (rdev->pg_flags) {
if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA)
si_enable_dma_pg(rdev, false);
if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_CG)
si_enable_gfx_cgpg(rdev, false);
}
}