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intel: workaround VS fixed function issue on Gen9 GT1 parts

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The issue is noticeable in the
dEQP-GLES31.functional.geometry_shading.layered.render_with_default_layer_3d
test where a triangle goes missing when we use the maximum number of
URB entries as specified by the documentation.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107505
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Lionel Landwerlin
2019-02-20 12:50:56 +00:00
parent 4ec258ac3c
commit b1ba7ffdbd
1 changed files with 12 additions and 0 deletions
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12
src/intel/dev/gen_device_info.c
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@@ -617,6 +617,10 @@ static const struct gen_device_info gen_device_info_skl_gt1 = {
.num_eu_per_subslice = 6, .num_eu_per_subslice = 6,
.l3_banks = 2, .l3_banks = 2,
.urb.size = 192, .urb.size = 192,
/* GT1 seems to have a bug in the top of the pipe (VF/VS?) fixed functions
* leading to some vertices to go missing if we use too much URB.
*/
.urb.max_entries[MESA_SHADER_VERTEX] = 928,
.simulator_id = 12, .simulator_id = 12,
}; };
@@ -688,6 +692,10 @@ static const struct gen_device_info gen_device_info_kbl_gt1 = {
.num_subslices = { 2, }, .num_subslices = { 2, },
.num_eu_per_subslice = 6, .num_eu_per_subslice = 6,
.l3_banks = 2, .l3_banks = 2,
/* GT1 seems to have a bug in the top of the pipe (VF/VS?) fixed functions
* leading to some vertices to go missing if we use too much URB.
*/
.urb.max_entries[MESA_SHADER_VERTEX] = 928,
.simulator_id = 16, .simulator_id = 16,
}; };
@@ -775,6 +783,10 @@ static const struct gen_device_info gen_device_info_cfl_gt1 = {
.num_eu_per_subslice = 6, .num_eu_per_subslice = 6,
.l3_banks = 2, .l3_banks = 2,
.urb.size = 192, .urb.size = 192,
/* GT1 seems to have a bug in the top of the pipe (VF/VS?) fixed functions
* leading to some vertices to go missing if we use too much URB.
*/
.urb.max_entries[MESA_SHADER_VERTEX] = 928,
.simulator_id = 24, .simulator_id = 24,
}; };
static const struct gen_device_info gen_device_info_cfl_gt2 = { static const struct gen_device_info gen_device_info_cfl_gt2 = {