[PATCH 14/27] drm/amdgpu: switch to ih_toggle_interrupts for navi10
Hawking Zhang
Hawking.Zhang at amd.com
Sat Dec 12 15:45:47 UTC 2020
replace ih_enable_interrupts and ih_disable_interrupts
with ih_toggle_interrupts
Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Acked-by: Christian König <christian.koenig at amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling at amd.com>
Reviewed-by: Dennis Li <Dennis.Li at amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 166 +++++--------------------
1 file changed, 33 insertions(+), 133 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
index 35bd6d210135..f21937e19b6f 100644
--- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
@@ -128,136 +128,6 @@ force_update_wptr_for_self_int(struct amdgpu_device *adev,
WREG32_SOC15(OSSSYS, 0, mmIH_CNTL2, ih_cntl);
}
-/**
- * navi10_ih_enable_interrupts - Enable the interrupt ring buffer
- *
- * @adev: amdgpu_device pointer
- *
- * Enable the interrupt ring buffer (NAVI10).
- */
-static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
-{
- u32 ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL);
-
- 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);
- if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
- 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);
- if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
- 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;
- }
-
- if (adev->irq.ih2.ring_size) {
- 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);
- if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
- 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;
- }
-
- if (adev->irq.ih_soft.ring_size)
- adev->irq.ih_soft.enabled = true;
-}
-
-/**
- * navi10_ih_disable_interrupts - Disable the interrupt ring buffer
- *
- * @adev: amdgpu_device pointer
- *
- * Disable the interrupt ring buffer (NAVI10).
- */
-static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
-{
- u32 ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL);
-
- 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);
- if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
- 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);
- adev->irq.ih.enabled = false;
- adev->irq.ih.rptr = 0;
-
- 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, 0);
- if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
- 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);
- adev->irq.ih1.enabled = false;
- adev->irq.ih1.rptr = 0;
- }
-
- if (adev->irq.ih2.ring_size) {
- 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);
- if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
- 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);
- adev->irq.ih2.enabled = false;
- adev->irq.ih2.rptr = 0;
- }
-
-}
-
/**
* navi10_ih_toggle_ring_interrupts - toggle the interrupt ring buffer
*
@@ -303,6 +173,31 @@ static int navi10_ih_toggle_ring_interrupts(struct amdgpu_device *adev,
return 0;
}
+/**
+ * navi10_ih_toggle_interrupts - Toggle all the available interrupt ring buffers
+ *
+ * @adev: amdgpu_device pointer
+ * @enable: enable or disable interrupt ring buffers
+ *
+ * Toggle all the available interrupt ring buffers (NAVI10).
+ */
+static int navi10_ih_toggle_interrupts(struct amdgpu_device *adev, bool enable)
+{
+ struct amdgpu_ih_ring *ih[] = {&adev->irq.ih, &adev->irq.ih1, &adev->irq.ih2};
+ int i;
+ int r;
+
+ for (i = 0; i < ARRAY_SIZE(ih); i++) {
+ if (ih[i]->ring_size) {
+ r = navi10_ih_toggle_ring_interrupts(adev, ih[i], enable);
+ if (r)
+ return r;
+ }
+ }
+
+ return 0;
+}
+
static uint32_t navi10_ih_rb_cntl(struct amdgpu_ih_ring *ih, uint32_t ih_rb_cntl)
{
int rb_bufsz = order_base_2(ih->ring_size / 4);
@@ -431,9 +326,12 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
struct amdgpu_ih_ring *ih = &adev->irq.ih;
u32 ih_rb_cntl, ih_chicken;
u32 tmp;
+ int ret;
/* disable irqs */
- navi10_ih_disable_interrupts(adev);
+ ret = navi10_ih_toggle_interrupts(adev, false);
+ if (ret)
+ return ret;
adev->nbio.funcs->ih_control(adev);
@@ -562,7 +460,9 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
pci_set_master(adev->pdev);
/* enable interrupts */
- navi10_ih_enable_interrupts(adev);
+ ret = navi10_ih_toggle_interrupts(adev, true);
+ if (ret)
+ return ret;
/* enable wptr force update for self int */
force_update_wptr_for_self_int(adev, 0, 8, true);
@@ -579,7 +479,7 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
static void navi10_ih_irq_disable(struct amdgpu_device *adev)
{
force_update_wptr_for_self_int(adev, 0, 8, false);
- navi10_ih_disable_interrupts(adev);
+ navi10_ih_toggle_interrupts(adev, false);
/* Wait and acknowledge irq */
mdelay(1);
--
2.17.1
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