diff options
author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2024-02-08 08:25:10 +0000 |
---|---|---|
committer | José Roberto de Souza <jose.souza@intel.com> | 2024-02-14 07:22:50 -0800 |
commit | b112364867499e1327801da200868a6c506465fa (patch) | |
tree | fd35c967340f8ed8ab17fdd132cc24453a8fb683 /drivers/gpu/drm/i915/i915_query.c | |
parent | 599b0d8ce6edacc5991c552d68c6404b2e150cab (diff) |
drm/i915: Add GuC submission interface version query
Add a new query to the GuC submission interface version.
Mesa intends to use this information to check for old firmware versions
with a known bug where using the render and compute command streamers
simultaneously can cause GPU hangs due issues in firmware scheduling.
Based on patches from Vivaik and Joonas.
Compile tested only.
v2:
* Added branch version.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Jose Souza <jose.souza@intel.com>
Cc: Sagar Ghuge <sagar.ghuge@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Vivaik Balasubrawmanian <vivaik.balasubrawmanian@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Tested-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240208082510.1363268-1-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_query.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_query.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c index 00871ef99792..d4dba1240b40 100644 --- a/drivers/gpu/drm/i915/i915_query.c +++ b/drivers/gpu/drm/i915/i915_query.c @@ -551,6 +551,38 @@ static int query_hwconfig_blob(struct drm_i915_private *i915, return hwconfig->size; } +static int +query_guc_submission_version(struct drm_i915_private *i915, + struct drm_i915_query_item *query) +{ + struct drm_i915_query_guc_submission_version __user *query_ptr = + u64_to_user_ptr(query->data_ptr); + struct drm_i915_query_guc_submission_version ver; + struct intel_guc *guc = &to_gt(i915)->uc.guc; + const size_t size = sizeof(ver); + int ret; + + if (!intel_uc_uses_guc_submission(&to_gt(i915)->uc)) + return -ENODEV; + + ret = copy_query_item(&ver, size, size, query); + if (ret != 0) + return ret; + + if (ver.branch || ver.major || ver.minor || ver.patch) + return -EINVAL; + + ver.branch = 0; + ver.major = guc->submission_version.major; + ver.minor = guc->submission_version.minor; + ver.patch = guc->submission_version.patch; + + if (copy_to_user(query_ptr, &ver, size)) + return -EFAULT; + + return 0; +} + static int (* const i915_query_funcs[])(struct drm_i915_private *dev_priv, struct drm_i915_query_item *query_item) = { query_topology_info, @@ -559,6 +591,7 @@ static int (* const i915_query_funcs[])(struct drm_i915_private *dev_priv, query_memregion_info, query_hwconfig_blob, query_geometry_subslices, + query_guc_submission_version, }; int i915_query_ioctl(struct drm_device *dev, void *data, struct drm_file *file) |