diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-02-16 01:26:33 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 03:16:28 +0400 |
| commit | 8ba104637b5901cdc52fb0455cefcc73dc4b10e4 (patch) | |
| tree | 9ae132c6b918e13c5e399f8f3c84396e3f80311b /drivers/gpu/drm/radeon/evergreen.c | |
| parent | e0bcf1654d2639a326ea2c95efdfddfff3cc9c55 (diff) | |
| download | linux-8ba104637b5901cdc52fb0455cefcc73dc4b10e4.tar.xz | |
drm/radeon: enable additional power gating features on trinity
TN has some additional powergating features beyond what is
supported on ON/LN.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index c6bbf6216498..10ccd879df06 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4035,10 +4035,15 @@ int sumo_rlc_init(struct radeon_device *rdev) static void evergreen_rlc_start(struct radeon_device *rdev) { - if (rdev->flags & RADEON_IS_IGP) - WREG32(RLC_CNTL, RLC_ENABLE | GFX_POWER_GATING_ENABLE | GFX_POWER_GATING_SRC); - else - WREG32(RLC_CNTL, RLC_ENABLE); + u32 mask = RLC_ENABLE; + + if (rdev->flags & RADEON_IS_IGP) { + mask |= GFX_POWER_GATING_ENABLE | GFX_POWER_GATING_SRC; + if (rdev->family == CHIP_ARUBA) + mask |= DYN_PER_SIMD_PG_ENABLE | LB_CNT_SPIM_ACTIVE | LOAD_BALANCE_ENABLE; + } + + WREG32(RLC_CNTL, mask); } int evergreen_rlc_resume(struct radeon_device *rdev) @@ -4054,15 +4059,33 @@ int evergreen_rlc_resume(struct radeon_device *rdev) WREG32(RLC_HB_CNTL, 0); if (rdev->flags & RADEON_IS_IGP) { + if (rdev->family == CHIP_ARUBA) { + u32 always_on_bitmap = + 3 | (3 << (16 * rdev->config.cayman.max_shader_engines)); + /* find out the number of active simds */ + u32 tmp = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16; + tmp |= 0xffffffff << rdev->config.cayman.max_simds_per_se; + tmp = hweight32(~tmp); + if (tmp == rdev->config.cayman.max_simds_per_se) { + WREG32(TN_RLC_LB_ALWAYS_ACTIVE_SIMD_MASK, always_on_bitmap); + WREG32(TN_RLC_LB_PARAMS, 0x00601004); + WREG32(TN_RLC_LB_INIT_SIMD_MASK, 0xffffffff); + WREG32(TN_RLC_LB_CNTR_INIT, 0x00000000); + WREG32(TN_RLC_LB_CNTR_MAX, 0x00002000); + } + } else { + WREG32(RLC_HB_WPTR_LSB_ADDR, 0); + WREG32(RLC_HB_WPTR_MSB_ADDR, 0); + } WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8); WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8); } else { WREG32(RLC_HB_BASE, 0); WREG32(RLC_HB_RPTR, 0); WREG32(RLC_HB_WPTR, 0); + WREG32(RLC_HB_WPTR_LSB_ADDR, 0); + WREG32(RLC_HB_WPTR_MSB_ADDR, 0); } - WREG32(RLC_HB_WPTR_LSB_ADDR, 0); - WREG32(RLC_HB_WPTR_MSB_ADDR, 0); WREG32(RLC_MC_CNTL, 0); WREG32(RLC_UCODE_CNTL, 0); |