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drm/amdgpu: implement raster configuration for gfx v8 

This patch is to implement the raster configuration and harvested
configuration of gfx v8.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2016-09-14 17:14:16 +08:00 committed by Alex Deucher
parent 0b2138a455
commit 167ac5733c
2 changed files with 204 additions and 1 deletions
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168
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -3488,13 +3488,163 @@ static u32 gfx_v8_0_get_rb_active_bitmap(struct amdgpu_device *adev)
return (~data) & mask;
}
static void
gfx_v8_0_raster_config(struct amdgpu_device *adev, u32 *rconf, u32 *rconf1)
{
switch (adev->asic_type) {
case CHIP_FIJI:
*rconf |= RB_MAP_PKR0(2) | RB_MAP_PKR1(2) |
RB_XSEL2(1) | PKR_MAP(2) |
PKR_XSEL(1) | PKR_YSEL(1) |
SE_MAP(2) | SE_XSEL(2) | SE_YSEL(3);
*rconf1 |= SE_PAIR_MAP(2) | SE_PAIR_XSEL(3) |
SE_PAIR_YSEL(2);
break;
case CHIP_TONGA:
case CHIP_POLARIS10:
*rconf |= RB_MAP_PKR0(2) | RB_XSEL2(1) | SE_MAP(2) |
SE_XSEL(1) | SE_YSEL(1);
*rconf1 |= SE_PAIR_MAP(2) | SE_PAIR_XSEL(2) |
SE_PAIR_YSEL(2);
break;
case CHIP_TOPAZ:
case CHIP_CARRIZO:
*rconf |= RB_MAP_PKR0(2);
*rconf1 |= 0x0;
break;
case CHIP_POLARIS11:
*rconf |= RB_MAP_PKR0(2) | RB_XSEL2(1) | SE_MAP(2) |
SE_XSEL(1) | SE_YSEL(1);
*rconf1 |= 0x0;
break;
case CHIP_STONEY:
*rconf |= 0x0;
*rconf1 |= 0x0;
break;
default:
DRM_ERROR("unknown asic: 0x%x\n", adev->asic_type);
break;
}
}
static void
gfx_v8_0_write_harvested_raster_configs(struct amdgpu_device *adev,
u32 raster_config, u32 raster_config_1,
unsigned rb_mask, unsigned num_rb)
{
unsigned sh_per_se = max_t(unsigned, adev->gfx.config.max_sh_per_se, 1);
unsigned num_se = max_t(unsigned, adev->gfx.config.max_shader_engines, 1);
unsigned rb_per_pkr = min_t(unsigned, num_rb / num_se / sh_per_se, 2);
unsigned rb_per_se = num_rb / num_se;
unsigned se_mask[4];
unsigned se;
se_mask[0] = ((1 << rb_per_se) - 1) & rb_mask;
se_mask[1] = (se_mask[0] << rb_per_se) & rb_mask;
se_mask[2] = (se_mask[1] << rb_per_se) & rb_mask;
se_mask[3] = (se_mask[2] << rb_per_se) & rb_mask;
WARN_ON(!(num_se == 1 || num_se == 2 || num_se == 4));
WARN_ON(!(sh_per_se == 1 || sh_per_se == 2));
WARN_ON(!(rb_per_pkr == 1 || rb_per_pkr == 2));
if ((num_se > 2) && ((!se_mask[0] && !se_mask[1]) ||
(!se_mask[2] && !se_mask[3]))) {
raster_config_1 &= ~SE_PAIR_MAP_MASK;
if (!se_mask[0] && !se_mask[1]) {
raster_config_1 |=
SE_PAIR_MAP(RASTER_CONFIG_SE_PAIR_MAP_3);
} else {
raster_config_1 |=
SE_PAIR_MAP(RASTER_CONFIG_SE_PAIR_MAP_0);
}
}
for (se = 0; se < num_se; se++) {
unsigned raster_config_se = raster_config;
unsigned pkr0_mask = ((1 << rb_per_pkr) - 1) << (se * rb_per_se);
unsigned pkr1_mask = pkr0_mask << rb_per_pkr;
int idx = (se / 2) * 2;
if ((num_se > 1) && (!se_mask[idx] || !se_mask[idx + 1])) {
raster_config_se &= ~SE_MAP_MASK;
if (!se_mask[idx]) {
raster_config_se |= SE_MAP(RASTER_CONFIG_SE_MAP_3);
} else {
raster_config_se |= SE_MAP(RASTER_CONFIG_SE_MAP_0);
}
}
pkr0_mask &= rb_mask;
pkr1_mask &= rb_mask;
if (rb_per_se > 2 && (!pkr0_mask || !pkr1_mask)) {
raster_config_se &= ~PKR_MAP_MASK;
if (!pkr0_mask) {
raster_config_se |= PKR_MAP(RASTER_CONFIG_PKR_MAP_3);
} else {
raster_config_se |= PKR_MAP(RASTER_CONFIG_PKR_MAP_0);
}
}
if (rb_per_se >= 2) {
unsigned rb0_mask = 1 << (se * rb_per_se);
unsigned rb1_mask = rb0_mask << 1;
rb0_mask &= rb_mask;
rb1_mask &= rb_mask;
if (!rb0_mask || !rb1_mask) {
raster_config_se &= ~RB_MAP_PKR0_MASK;
if (!rb0_mask) {
raster_config_se |=
RB_MAP_PKR0(RASTER_CONFIG_RB_MAP_3);
} else {
raster_config_se |=
RB_MAP_PKR0(RASTER_CONFIG_RB_MAP_0);
}
}
if (rb_per_se > 2) {
rb0_mask = 1 << (se * rb_per_se + rb_per_pkr);
rb1_mask = rb0_mask << 1;
rb0_mask &= rb_mask;
rb1_mask &= rb_mask;
if (!rb0_mask || !rb1_mask) {
raster_config_se &= ~RB_MAP_PKR1_MASK;
if (!rb0_mask) {
raster_config_se |=
RB_MAP_PKR1(RASTER_CONFIG_RB_MAP_3);
} else {
raster_config_se |=
RB_MAP_PKR1(RASTER_CONFIG_RB_MAP_0);
}
}
}
}
/* GRBM_GFX_INDEX has a different offset on VI */
gfx_v8_0_select_se_sh(adev, se, 0xffffffff, 0xffffffff);
WREG32(mmPA_SC_RASTER_CONFIG, raster_config_se);
WREG32(mmPA_SC_RASTER_CONFIG_1, raster_config_1);
}
/* GRBM_GFX_INDEX has a different offset on VI */
gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
}
static void gfx_v8_0_setup_rb(struct amdgpu_device *adev)
{
int i, j;
u32 data;
u32 raster_config = 0, raster_config_1 = 0;
u32 active_rbs = 0;
u32 rb_bitmap_width_per_sh = adev->gfx.config.max_backends_per_se /
adev->gfx.config.max_sh_per_se;
unsigned num_rb_pipes;
mutex_lock(&adev->grbm_idx_mutex);
for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
@ -3506,10 +3656,26 @@ static void gfx_v8_0_setup_rb(struct amdgpu_device *adev)
}
}
gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
mutex_unlock(&adev->grbm_idx_mutex);
adev->gfx.config.backend_enable_mask = active_rbs;
adev->gfx.config.num_rbs = hweight32(active_rbs);
num_rb_pipes = min_t(unsigned, adev->gfx.config.max_backends_per_se *
adev->gfx.config.max_shader_engines, 16);
gfx_v8_0_raster_config(adev, &raster_config, &raster_config_1);
if (!adev->gfx.config.backend_enable_mask ||
adev->gfx.config.num_rbs >= num_rb_pipes) {
WREG32(mmPA_SC_RASTER_CONFIG, raster_config);
WREG32(mmPA_SC_RASTER_CONFIG_1, raster_config_1);
} else {
gfx_v8_0_write_harvested_raster_configs(adev, raster_config, raster_config_1,
adev->gfx.config.backend_enable_mask,
num_rb_pipes);
}
mutex_unlock(&adev->grbm_idx_mutex);
}
/**

37
drivers/gpu/drm/amd/amdgpu/vid.h
View File

@ -373,4 +373,41 @@
#define VCE_CMD_WAIT_GE 0x00000106
#define VCE_CMD_UPDATE_PTB 0x00000107
#define VCE_CMD_FLUSH_TLB 0x00000108
/* mmPA_SC_RASTER_CONFIG mask */
#define RB_MAP_PKR0(x) ((x) << 0)
#define RB_MAP_PKR0_MASK (0x3 << 0)
#define RB_MAP_PKR1(x) ((x) << 2)
#define RB_MAP_PKR1_MASK (0x3 << 2)
#define RB_XSEL2(x) ((x) << 4)
#define RB_XSEL2_MASK (0x3 << 4)
#define RB_XSEL (1 << 6)
#define RB_YSEL (1 << 7)
#define PKR_MAP(x) ((x) << 8)
#define PKR_MAP_MASK (0x3 << 8)
#define PKR_XSEL(x) ((x) << 10)
#define PKR_XSEL_MASK (0x3 << 10)
#define PKR_YSEL(x) ((x) << 12)
#define PKR_YSEL_MASK (0x3 << 12)
#define SC_MAP(x) ((x) << 16)
#define SC_MAP_MASK (0x3 << 16)
#define SC_XSEL(x) ((x) << 18)
#define SC_XSEL_MASK (0x3 << 18)
#define SC_YSEL(x) ((x) << 20)
#define SC_YSEL_MASK (0x3 << 20)
#define SE_MAP(x) ((x) << 24)
#define SE_MAP_MASK (0x3 << 24)
#define SE_XSEL(x) ((x) << 26)
#define SE_XSEL_MASK (0x3 << 26)
#define SE_YSEL(x) ((x) << 28)
#define SE_YSEL_MASK (0x3 << 28)
/* mmPA_SC_RASTER_CONFIG_1 mask */
#define SE_PAIR_MAP(x) ((x) << 0)
#define SE_PAIR_MAP_MASK (0x3 << 0)
#define SE_PAIR_XSEL(x) ((x) << 2)
#define SE_PAIR_XSEL_MASK (0x3 << 2)
#define SE_PAIR_YSEL(x) ((x) << 4)
#define SE_PAIR_YSEL_MASK (0x3 << 4)
#endif