diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-02-15 16:26:33 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:16:28 -0400 |
| commit | 8ba104637b5901cdc52fb0455cefcc73dc4b10e4 (patch) | |
| tree | 9ae132c6b918e13c5e399f8f3c84396e3f80311b /drivers/gpu/drm/radeon | |
| parent | e0bcf1654d2639a326ea2c95efdfddfff3cc9c55 (diff) | |
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')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 35 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/nid.h | 6 |
4 files changed, 54 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index c6bbf621649..10ccd879df0 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); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index c0df1cac948..a7baf67aef6 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -381,6 +381,10 @@ # define RLC_ENABLE (1 << 0) # define GFX_POWER_GATING_ENABLE (1 << 7) # define GFX_POWER_GATING_SRC (1 << 8) +# define DYN_PER_SIMD_PG_ENABLE (1 << 27) +# define LB_CNT_SPIM_ACTIVE (1 << 30) +# define LOAD_BALANCE_ENABLE (1 << 31) + #define RLC_HB_BASE 0x3f10 #define RLC_HB_CNTL 0x3f0c #define RLC_HB_RPTR 0x3f20 @@ -394,7 +398,12 @@ /* new for TN */ #define TN_RLC_SAVE_AND_RESTORE_BASE 0x3f10 +#define TN_RLC_LB_CNTR_MAX 0x3f14 +#define TN_RLC_LB_CNTR_INIT 0x3f18 #define TN_RLC_CLEAR_STATE_RESTORE_BASE 0x3f20 +#define TN_RLC_LB_INIT_SIMD_MASK 0x3fe4 +#define TN_RLC_LB_ALWAYS_ACTIVE_SIMD_MASK 0x3fe8 +#define TN_RLC_LB_PARAMS 0x3fec #define GRBM_GFX_INDEX 0x802C #define INSTANCE_INDEX(x) ((x) << 0) diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index cafc3bd78a3..f30127cb30e 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1176,6 +1176,16 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); udelay(50); + + /* set clockgating golden values on TN */ + if (rdev->family == CHIP_ARUBA) { + tmp = RREG32_CG(CG_CGTT_LOCAL_0); + tmp &= ~0x00380000; + WREG32_CG(CG_CGTT_LOCAL_0, tmp); + tmp = RREG32_CG(CG_CGTT_LOCAL_1); + tmp &= ~0x0e000000; + WREG32_CG(CG_CGTT_LOCAL_1, tmp); + } } /* diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 17750432955..95693c77351 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -665,6 +665,12 @@ #define TID_UNIT(x) ((x) << 14) #define TID_UNIT_MASK (0xf << 14) +#define CG_IND_ADDR 0x8f8 +#define CG_IND_DATA 0x8fc +/* CGIND regs */ +#define CG_CGTT_LOCAL_0 0x00 +#define CG_CGTT_LOCAL_1 0x01 + #define MC_CG_CONFIG 0x25bc #define MCDW_WR_ENABLE (1 << 0) #define MCDX_WR_ENABLE (1 << 1) |