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drm/vc4: Allow some more signals to be packed with uniform resets. 

The intent was to make sure people don't sneak in a small immediate or
something to change the interpretation of the uniform update args, but
these signals are just fine.

Fixes a validation failure in the current X server on some Render
operation.

Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Eric Anholt 2016-08-30 13:57:38 -07:00
parent 552416c146
commit 313a61d307
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/vc4/vc4_validate_shaders.c
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@ -309,8 +309,14 @@ validate_uniform_address_write(struct vc4_validated_shader_info *validated_shade
* of uniforms on each side. However, this scheme is easy to
* validate so it's all we allow for now.
*/
if (QPU_GET_FIELD(inst, QPU_SIG) != QPU_SIG_NONE) {
switch (QPU_GET_FIELD(inst, QPU_SIG)) {
case QPU_SIG_NONE:
case QPU_SIG_SCOREBOARD_UNLOCK:
case QPU_SIG_COLOR_LOAD:
case QPU_SIG_LOAD_TMU0:
case QPU_SIG_LOAD_TMU1:
break;
default:
DRM_ERROR("uniforms address change must be "
"normal math\n");
return false;