[Mesa-dev] [PATCH] radeonsi: Program RASTER_CONFIG for harvested GPUs v4
Tom Stellard
thomas.stellard at amd.com
Wed Sep 10 06:59:25 PDT 2014
v2:
- Write RASTER_CONFIG for all SEs.
v3:
- Set GRBM_GFX_INDEX.INSTANCE_BROADCAST_WRITES bit.
- Set GRBM_GFX_INFEX.SH_BROADCAST_WRITES bit when done setting
PA_SC_RASTER_CONFIG.
- Get num_se and num_sh_per_se from kernel.
v4:
- Get correct value for num_se
- Remove loop for setting PA_SC_RASTER_CONFIG
- Only compute raster config when a backend has been disabled.
https://bugs.freedesktop.org/show_bug.cgi?id=60879
CC: "10.3 10.2" <mesa-stable at lists.freedesktop.org>
---
src/gallium/drivers/radeonsi/si_state.c | 86 +++++++++++++++++++++--
src/gallium/drivers/radeonsi/sid.h | 8 ++-
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 3 +
src/gallium/winsys/radeon/drm/radeon_winsys.h | 1 +
4 files changed, 92 insertions(+), 6 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 1d6ae86..21b9c34 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2989,6 +2989,17 @@ void si_init_state_functions(struct si_context *sctx)
sctx->b.b.draw_vbo = si_draw_vbo;
}
+static unsigned pkr_mask_to_map(unsigned mask)
+{
+ switch(mask & 0x3) {
+ case 0x0:
+ case 0x1: return 0x0;
+ case 0x2: return 0x3;
+ case 0x3: return 0x2;
+ }
+ return 0;
+}
+
void si_init_config(struct si_context *sctx)
{
struct si_pm4_state *pm4 = si_pm4_alloc_state(sctx);
@@ -3060,24 +3071,89 @@ void si_init_config(struct si_context *sctx)
break;
}
} else {
+ unsigned raster_config = 0;
+ unsigned sh_per_se = MAX2(sctx->screen->b.info.max_sh_per_se, 1);
+ unsigned num_se = MAX2(sctx->screen->b.info.max_se, 1);
+ unsigned rb_mask = sctx->screen->b.info.si_backend_enabled_mask;
+ unsigned max_backends = 2 * sh_per_se * num_se;
switch (sctx->screen->b.family) {
case CHIP_TAHITI:
case CHIP_PITCAIRN:
- si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x2a00126a);
+ raster_config = 0x2a00126a;
break;
case CHIP_VERDE:
- si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x0000124a);
+ raster_config = 0x0000124a;
break;
case CHIP_OLAND:
- si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000082);
+ raster_config = 0x00000082;
break;
case CHIP_HAINAN:
- si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000000);
+ raster_config = 0x00000000;
break;
default:
- si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000000);
+ raster_config = 0x00000000;
break;
}
+
+ /* Always use the default config when all backends are enabled. */
+ if (rb_mask && util_bitcount(rb_mask) < max_backends) {
+ /* XXX: I can't figure out what the *_XSEL and *_YSEL
+ * fields are for, so I'm leaving them as their default
+ * values. */
+ unsigned pkr_mask = (sh_per_se | 0x1);
+ unsigned se0_pkr0 = rb_mask & pkr_mask;
+ unsigned se0_pkr1 = (rb_mask >>= sh_per_se) & pkr_mask;
+ unsigned se1_pkr0 = (rb_mask >>= sh_per_se) & pkr_mask;
+ unsigned se1_pkr1 = (rb_mask >>= sh_per_se) & pkr_mask;
+ unsigned se_map = 0;
+ unsigned se0_pkr_map = 0;
+ unsigned se1_pkr_map = 0;
+ unsigned se0_pkr0_rb_map = 0;
+ unsigned se0_pkr1_rb_map = 0;
+ unsigned se1_pkr0_rb_map = 0;
+ unsigned se1_pkr1_rb_map = 0;
+ if (!se0_pkr0 && !se0_pkr1) {
+ /* se0 disabled */
+ se_map |= 0x1;
+ }
+ if (se1_pkr0 || se1_pkr1) {
+ /* se1 enabled */
+ se_map |= 0x2;
+ }
+ if (!se0_pkr0) {
+ /* se0 pkr0 disabled */
+ se0_pkr_map |= 0x1;
+ }
+ if (se0_pkr1) {
+ /* se0 pkr1 enabled */
+ se0_pkr_map |= 0x2;
+ }
+ if (!se1_pkr0) {
+ /* se1 pkr0 disabled */
+ se1_pkr_map |= 0x1;
+ }
+ if (se1_pkr1) {
+ /* se1 pkr1 enabled */
+ se1_pkr_map |= 0x2;
+ }
+
+ se0_pkr0_rb_map = pkr_mask_to_map(se0_pkr0);
+ se0_pkr1_rb_map = pkr_mask_to_map(se0_pkr1);
+ se1_pkr0_rb_map = pkr_mask_to_map(se1_pkr0);
+ se1_pkr1_rb_map = pkr_mask_to_map(se1_pkr1);
+
+ assert(!se0_pkr0 || !se1_pkr0 || (se0_pkr0_rb_map == se1_pkr0_rb_map));
+ assert(!se0_pkr1 || !se1_pkr1 || (se0_pkr1_rb_map == se1_pkr1_rb_map));
+ raster_config &= C_028350_RB_MAP_PKR0;
+ raster_config |= S_028350_RB_MAP_PKR0(se0_pkr0_rb_map);
+ raster_config &= C_028350_RB_MAP_PKR1;
+ raster_config |= S_028350_RB_MAP_PKR1(se0_pkr1_rb_map);
+ raster_config &= C_028350_PKR_MAP;
+ raster_config |= S_028350_PKR_MAP(se0_pkr_map);
+ raster_config &= C_028350_SE_MAP;
+ raster_config |= S_028350_SE_MAP(se_map);
+ }
+ si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config);
}
si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, S_028204_WINDOW_OFFSET_DISABLE(1));
diff --git a/src/gallium/drivers/radeonsi/sid.h b/src/gallium/drivers/radeonsi/sid.h
index 3241725..11406a9 100644
--- a/src/gallium/drivers/radeonsi/sid.h
+++ b/src/gallium/drivers/radeonsi/sid.h
@@ -204,7 +204,13 @@
* 6. COMMAND [29:22] | BYTE_COUNT [20:0]
*/
-
+#define GRBM_GFX_INDEX 0x802C
+#define INSTANCE_INDEX(x) ((x) << 0)
+#define SH_INDEX(x) ((x) << 8)
+#define SE_INDEX(x) ((x) << 16)
+#define SH_BROADCAST_WRITES (1 << 29)
+#define INSTANCE_BROADCAST_WRITES (1 << 30)
+#define SE_BROADCAST_WRITES (1 << 31)
#define R_0084FC_CP_STRMOUT_CNTL 0x0084FC
#define S_0084FC_OFFSET_UPDATE_DONE(x) (((x) & 0x1) << 0)
#define R_0085F0_CP_COHER_CNTL 0x0085F0
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 3b695f9..41d23d9 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -327,6 +327,9 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
&ws->info.max_sclk);
ws->info.max_sclk /= 1000;
+ radeon_get_drm_value(ws->fd, RADEON_INFO_SI_BACKEND_ENABLED_MASK, NULL,
+ &ws->info.si_backend_enabled_mask);
+
ws->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
/* Generation-specific queries. */
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 69bf6ed..8a39c3c 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -230,6 +230,7 @@ struct radeon_info {
boolean si_tile_mode_array_valid;
uint32_t si_tile_mode_array[32];
+ uint32_t si_backend_enabled_mask;
boolean cik_macrotile_mode_array_valid;
uint32_t cik_macrotile_mode_array[16];
--
1.8.1.5
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