gpu: nvgpu: Use nvgpu_is_enabled() for ASPM

Convert disable_aspm and references to that field to use
nvgpu_is_enabled(NVGPU_SUPPORT_ASPM). Initialize it from
gk20a_platform struct at probe time.

This removes another dependency to struct gk20a_platform.

JIRA NVGPU-259

Change-Id: I32e30160f817ea275aa190dcf86c5fd594138d75
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1590124
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/enabled.h b/drivers/gpu/nvgpu/include/nvgpu/enabled.h
index 87449ccc..14595497 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/enabled.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/enabled.h
@@ -125,6 +125,8 @@ struct gk20a;
 /* whether to run PREOS binary on dGPUs */
 #define NVGPU_PMU_RUN_PREOS                     61
 
+/* set if ASPM is enabled; only makes sense for PCI */
+#define NVGPU_SUPPORT_ASPM                      62
 /*
  * Must be greater than the largest bit offset in the above list.
  */