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drm/i915: Test all fw tables during mock selftests 

In addition to just testing the fw table we load, during the initial
mock testing we can test that all tables are valid (so the testing is
not limited to just the platforms that load that particular table).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170213171558.20942-23-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2017-02-13 17:15:34 +00:00
parent 26e7a2a179
commit 9852d543a8
2 changed files with 38 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
View File

@ -10,6 +10,7 @@
*/
selftest(sanitycheck, i915_mock_sanitycheck) /* keep first (igt selfcheck) */
selftest(scatterlist, scatterlist_mock_selftests)
selftest(uncore, intel_uncore_mock_selftests)
selftest(breadcrumbs, intel_breadcrumbs_mock_selftests)
selftest(requests, i915_gem_request_mock_selftests)
selftest(objects, i915_gem_object_mock_selftests)

47
drivers/gpu/drm/i915/selftests/intel_uncore.c
View File

@ -24,20 +24,16 @@
#include "../i915_selftest.h"
static int intel_fw_table_check(struct drm_i915_private *i915)
static int intel_fw_table_check(const struct intel_forcewake_range *ranges,
unsigned int num_ranges,
bool is_watertight)
{
const struct intel_forcewake_range *ranges;
unsigned int num_ranges, i;
unsigned int i;
s32 prev;
ranges = i915->uncore.fw_domains_table;
if (!ranges)
return 0;
num_ranges = i915->uncore.fw_domains_table_entries;
for (i = 0, prev = -1; i < num_ranges; i++, ranges++) {
/* Check that the table is watertight */
if (IS_GEN9(i915) && (prev + 1) != (s32)ranges->start) {
if (is_watertight && (prev + 1) != (s32)ranges->start) {
pr_err("%s: entry[%d]:(%x, %x) is not watertight to previous (%x)\n",
__func__, i, ranges->start, ranges->end, prev);
return -EINVAL;
@ -84,13 +80,26 @@ static int intel_shadow_table_check(void)
return 0;
}
int intel_uncore_live_selftests(struct drm_i915_private *i915)
int intel_uncore_mock_selftests(void)
{
int err;
struct {
const struct intel_forcewake_range *ranges;
unsigned int num_ranges;
bool is_watertight;
} fw[] = {
{ __vlv_fw_ranges, ARRAY_SIZE(__vlv_fw_ranges), false },
{ __chv_fw_ranges, ARRAY_SIZE(__chv_fw_ranges), false },
{ __gen9_fw_ranges, ARRAY_SIZE(__gen9_fw_ranges), true },
};
int err, i;
err = intel_fw_table_check(i915);
for (i = 0; i < ARRAY_SIZE(fw); i++) {
err = intel_fw_table_check(fw[i].ranges,
fw[i].num_ranges,
fw[i].is_watertight);
if (err)
return err;
}
err = intel_shadow_table_check();
if (err)
@ -98,3 +107,17 @@ int intel_uncore_live_selftests(struct drm_i915_private *i915)
return 0;
}
int intel_uncore_live_selftests(struct drm_i915_private *i915)
{
int err;
/* Confirm the table we load is still valid */
err = intel_fw_table_check(i915->uncore.fw_domains_table,
i915->uncore.fw_domains_table_entries,
INTEL_GEN(i915) >= 9);
if (err)
return err;
return 0;
}