#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"
/* This reports 0 on APUs, so return to avoid writing/reading registers
* that may or may not be different from their GPU counterparts
*/
- if (adev->flags & AMD_IS_APU)
- return;
+ if (adev->flags & AMD_IS_APU)
+ return;
/* Set the 2 events that we wish to watch, defined above */
/* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */
*count1 = RREG32_PCIE(ixPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
}
+static uint64_t si_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 si_asic_funcs =
{
.read_disabled_bios = &si_read_disabled_bios,
.need_full_reset = &si_need_full_reset,
.get_pcie_usage = &si_get_pcie_usage,
.need_reset_on_init = &si_need_reset_on_init,
+ .get_pcie_replay_count = &si_get_pcie_replay_count,
};
static uint32_t si_get_rev_id(struct amdgpu_device *adev)