gpu: nvgpu: Suppress error msg from VBIOS overlay

Suppress error message when nvgpu tries to load VBIOS overlay, but
one is not found. This situation is normal. This is done by moving
gk20a_request_firmware() to be nvgpu generic function
nvgpu_request_firmware(), and adding a NO_WARN flag to it.

Introduce also a NO_SOC flag to suppress attempt to load firmware
from SoC specific directory in addition to the chip specific
directory. Use it for dGPU firmware files.

Bug 200236777

Change-Id: I0294d3308f029a6a6d3c2effa579d5f69a91e418
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1223840
(cherry picked from commit cca44c3f010f15918cdd2259c15170ba1917828a)
Reviewed-on: http://git-master/r/1233353
GVS: Gerrit_Virtual_Submit

1 files changed, 0 insertions, 8 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 1cccaebe..2b55dd26 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -762,11 +762,6 @@ struct gk20a {
 #ifdef CONFIG_DEBUG_FS
         struct railgate_stats pstats;
 #endif
-        /* Save pmu fw here so that it lives cross suspend/resume.
-           pmu suspend destroys all pmu sw/hw states. Loading pmu
-           fw in resume crashes when the resume is from sys_exit. */
-        const struct firmware *pmu_fw;
-
         u32 gr_idle_timeout_default;
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,0)
         u32 timeouts_enabled;
@@ -1178,9 +1173,6 @@ int gk20a_do_unidle(void);
 int __gk20a_do_idle(struct device *dev, bool force_reset);
 int __gk20a_do_unidle(struct device *dev);
 
-const struct firmware *
-gk20a_request_firmware(struct gk20a *g, const char *fw_name);
-
 #define NVGPU_GPU_ARCHITECTURE_SHIFT 4
 
 /* constructs unique and compact GPUID from nvgpu_gpu_characteristics