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gpu: nvgpu: gp10b: Calc global context buffer size

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In gp10b we need to limit global context buffer size, and it needs
to be 128b aligned.

Change-Id: I51570e2457a374c09be4d611e683ae30917f9fc0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/657911
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Terje Bergstrom
2014-11-26 08:23:34 +02:00
committed by Deepak Nibade
parent 1f11c7ffe7
commit 230779e25b
1 changed files with 30 additions and 0 deletions
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30
drivers/gpu/nvgpu/gp10b/gr_gp10b.c
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@@ -305,6 +305,34 @@ static void gr_gp10b_buffer_size_defaults(struct gk20a *g)
gr_scc_pagepool_total_pages_hwmax_value_v();
}
static int gr_gp10b_calc_global_ctx_buffer_size(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
int size;
gr->attrib_cb_size = gr->attrib_cb_default_size
+ (gr->attrib_cb_default_size >> 1);
gr->alpha_cb_size = gr->alpha_cb_default_size
+ (gr->alpha_cb_default_size >> 1);
gr->attrib_cb_size = min(gr->attrib_cb_size,
gr_gpc0_ppc0_cbm_beta_cb_size_v_f(0xffffffff));
gr->alpha_cb_size = min(gr->attrib_cb_size,
gr_gpc0_ppc0_cbm_alpha_cb_size_v_f(0xffffffff));
size = gr->attrib_cb_size *
gr_gpc0_ppc0_cbm_beta_cb_size_v_granularity_v() *
gr->max_tpc_count;
size += gr->alpha_cb_size *
gr_gpc0_ppc0_cbm_alpha_cb_size_v_granularity_v() *
gr->max_tpc_count;
size = ALIGN(size, 128);
return size;
}
void gp10b_init_gr(struct gpu_ops *gops)
{
gm20b_init_gr(gops);
@@ -314,4 +342,6 @@ void gp10b_init_gr(struct gpu_ops *gops)
gops->gr.add_zbc_color = gr_gp10b_add_zbc_color;
gops->gr.add_zbc_depth = gr_gp10b_add_zbc_depth;
gops->gr.buffer_size_defaults = gr_gp10b_buffer_size_defaults;
gops->gr.calc_global_ctx_buffer_size =
gr_gp10b_calc_global_ctx_buffer_size;
}