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path: root/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vega10_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vega10_ih.c132
1 files changed, 121 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index 1b2f69a9a24e..22260e6963b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -20,7 +20,9 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
-#include <drm/drmP.h>
+
+#include <linux/pci.h>
+
#include "amdgpu.h"
#include "amdgpu_ih.h"
#include "soc15.h"
@@ -31,7 +33,7 @@
#include "soc15_common.h"
#include "vega10_ih.h"
-
+#define MAX_REARM_RETRY 10
static void vega10_ih_set_interrupt_funcs(struct amdgpu_device *adev);
@@ -48,14 +50,29 @@ static void vega10_ih_enable_interrupts(struct amdgpu_device *adev)
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 1);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 1);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
+ DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ }
adev->irq.ih.enabled = true;
if (adev->irq.ih1.ring_size) {
ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
RB_ENABLE, 1);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ }
adev->irq.ih1.enabled = true;
}
@@ -63,7 +80,15 @@ static void vega10_ih_enable_interrupts(struct amdgpu_device *adev)
ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
RB_ENABLE, 1);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ }
adev->irq.ih2.enabled = true;
}
}
@@ -81,7 +106,15 @@ static void vega10_ih_disable_interrupts(struct amdgpu_device *adev)
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 0);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 0);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
+ DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ }
+
/* set rptr, wptr to 0 */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR, 0);
@@ -92,7 +125,15 @@ static void vega10_ih_disable_interrupts(struct amdgpu_device *adev)
ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
RB_ENABLE, 0);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ }
/* set rptr, wptr to 0 */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
@@ -104,7 +145,16 @@ static void vega10_ih_disable_interrupts(struct amdgpu_device *adev)
ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
RB_ENABLE, 0);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ }
+
/* set rptr, wptr to 0 */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
@@ -187,7 +237,15 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM,
!!adev->irq.msi_enabled);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
+ DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
+ return -ETIMEDOUT;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ }
/* set the writeback address whether it's enabled or not */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO,
@@ -214,7 +272,15 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
WPTR_OVERFLOW_ENABLE, 0);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL,
RB_FULL_DRAIN_ENABLE, 1);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
+ return -ETIMEDOUT;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ }
/* set rptr, wptr to 0 */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
@@ -232,7 +298,16 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+
+ if (amdgpu_virt_support_psp_prg_ih_reg(adev)) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
+ return -ETIMEDOUT;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ }
/* set rptr, wptr to 0 */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
@@ -382,6 +457,38 @@ static void vega10_ih_decode_iv(struct amdgpu_device *adev,
}
/**
+ * vega10_ih_irq_rearm - rearm IRQ if lost
+ *
+ * @adev: amdgpu_device pointer
+ *
+ */
+static void vega10_ih_irq_rearm(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
+{
+ uint32_t reg_rptr = 0;
+ uint32_t v = 0;
+ uint32_t i = 0;
+
+ if (ih == &adev->irq.ih)
+ reg_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR);
+ else if (ih == &adev->irq.ih1)
+ reg_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR_RING1);
+ else if (ih == &adev->irq.ih2)
+ reg_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR_RING2);
+ else
+ return;
+
+ /* Rearm IRQ / re-wwrite doorbell if doorbell write is lost */
+ for (i = 0; i < MAX_REARM_RETRY; i++) {
+ v = RREG32_NO_KIQ(reg_rptr);
+ if ((v < ih->ring_size) && (v != ih->rptr))
+ WDOORBELL32(ih->doorbell_index, ih->rptr);
+ else
+ break;
+ }
+}
+
+/**
* vega10_ih_set_rptr - set the IH ring buffer rptr
*
* @adev: amdgpu_device pointer
@@ -395,6 +502,9 @@ static void vega10_ih_set_rptr(struct amdgpu_device *adev,
/* XXX check if swapping is necessary on BE */
*ih->rptr_cpu = ih->rptr;
WDOORBELL32(ih->doorbell_index, ih->rptr);
+
+ if (amdgpu_sriov_vf(adev))
+ vega10_ih_irq_rearm(adev, ih);
} else if (ih == &adev->irq.ih) {
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, ih->rptr);
} else if (ih == &adev->irq.ih1) {
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-05-12 02:46:38 +0200