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gpu: nvgpu: gv11b: force scg slow drain tpc enable

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For Pascal SCG, force slow drain tpc enable to avoid
hang in graphics pipeline.

Bug 2398751

Change-Id: I72276d2391f4e9d0c0d0b746f99585443453c044
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1934995
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2018-10-24 18:12:10 -07:00
committed by mobile promotions
parent ad6b7d419b
commit 851d4e3fa9
2 changed files with 22 additions and 0 deletions
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6
drivers/gpu/nvgpu/gv11b/gr_gv11b.c
View File

@@ -3088,6 +3088,12 @@ int gr_gv11b_init_fs_state(struct gk20a *g)
g->gr.fecs_feature_override_ecc_val);
}
data = gk20a_readl(g, gr_debug_0_r());
data = set_field(data,
gr_debug_0_scg_force_slow_drain_tpc_m(),
gr_debug_0_scg_force_slow_drain_tpc_enabled_f());
gk20a_writel(g, gr_debug_0_r(), data);
err = gr_gk20a_init_fs_state(g);
if (err != 0) {
return err;

16
drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gr_gv11b.h
View File

@@ -5672,6 +5672,22 @@ static inline u32 gr_fecs_falcon_ecc_uncorrected_err_count_unique_total_v(u32 r)
{
return (r >> 16U) & 0xffffU;
}
static inline u32 gr_debug_0_r(void)
{
return 0x00400080U;
}
static inline u32 gr_debug_0_scg_force_slow_drain_tpc_m(void)
{
return 0x1U << 11U;
}
static inline u32 gr_debug_0_scg_force_slow_drain_tpc_enabled_f(void)
{
return 0x800U;
}
static inline u32 gr_debug_0_scg_force_slow_drain_tpc_disabled_f(void)
{
return 0x0U;
}
static inline u32 gr_debug_2_r(void)
{
return 0x00400088U;