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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2019-06-26 12:22:54 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2019-06-26 12:22:54 +0200
commit355a47ae7ebcf9d605aa809b259d380422e81b8d (patch)
treef42b3196986c7de89a335b4f57384d249f5663e9 /drivers/gpu/drm/amd/amdgpu/cik.c
parentdrm/bridge: tfp410: fix use of cancel_delayed_work_sync (diff)
parentdrm/edid: use for_each_displayid_db where applicable (diff)
downloadlinux-rng-355a47ae7ebcf9d605aa809b259d380422e81b8d.tar.xz
linux-rng-355a47ae7ebcf9d605aa809b259d380422e81b8d.zip
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next-fixes
Some fixes have been accidentally pushed to this, so I cannot fost-forward. Required to pull in the remove-fbcon-notifiers fixes. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index 07c1f239e9c3..1ffbc0d3d7a1 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -24,7 +24,8 @@
#include <linux/firmware.h>
#include <linux/slab.h>
#include <linux/module.h>
-#include <drm/drmP.h>
+#include <linux/pci.h>
+
#include "amdgpu.h"
#include "amdgpu_atombios.h"
#include "amdgpu_ih.h"
@@ -1804,6 +1805,18 @@ static bool cik_need_reset_on_init(struct amdgpu_device *adev)
return false;
}
+static uint64_t cik_get_pcie_replay_count(struct amdgpu_device *adev)
+{
+ uint64_t nak_r, nak_g;
+
+ /* Get the number of NAKs received and generated */
+ nak_r = RREG32_PCIE(ixPCIE_RX_NUM_NAK);
+ nak_g = RREG32_PCIE(ixPCIE_RX_NUM_NAK_GENERATED);
+
+ /* Add the total number of NAKs, i.e the number of replays */
+ return (nak_r + nak_g);
+}
+
static const struct amdgpu_asic_funcs cik_asic_funcs =
{
.read_disabled_bios = &cik_read_disabled_bios,
@@ -1821,6 +1834,7 @@ static const struct amdgpu_asic_funcs cik_asic_funcs =
.init_doorbell_index = &legacy_doorbell_index_init,
.get_pcie_usage = &cik_get_pcie_usage,
.need_reset_on_init = &cik_need_reset_on_init,
+ .get_pcie_replay_count = &cik_get_pcie_replay_count,
};
static int cik_common_early_init(void *handle)