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-rw-r--r--drivers/gpu/drm/radeon/evergreen.c11
-rw-r--r--drivers/gpu/drm/radeon/r100.c20
-rw-r--r--drivers/gpu/drm/radeon/r600.c11
-rw-r--r--drivers/gpu/drm/radeon/radeon.h4
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_irq_kms.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_reg.h3
-rw-r--r--drivers/gpu/drm/radeon/rs600.c22
9 files changed, 74 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index b3d168f..0137a4c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1418,6 +1418,7 @@ int evergreen_irq_set(struct radeon_device *rdev)
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
+ u32 grbm_int_cntl = 0;
if (!rdev->irq.installed) {
WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
@@ -1490,8 +1491,13 @@ int evergreen_irq_set(struct radeon_device *rdev)
DRM_DEBUG("evergreen_irq_set: hpd 6\n");
hpd6 |= DC_HPDx_INT_EN;
}
+ if (rdev->irq.gui_idle) {
+ DRM_DEBUG("gui idle\n");
+ grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
+ }
WREG32(CP_INT_CNTL, cp_int_cntl);
+ WREG32(GRBM_INT_CNTL, grbm_int_cntl);
WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
@@ -1853,6 +1859,11 @@ restart_ih:
case 181: /* CP EOP event */
DRM_DEBUG("IH: CP EOP\n");
break;
+ case 233: /* GUI IDLE */
+ DRM_DEBUG("IH: CP EOP\n");
+ rdev->pm.gui_idle = true;
+ wake_up(&rdev->irq.idle_queue);
+ break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e62116e..d352986 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -262,6 +262,9 @@ int r100_irq_set(struct radeon_device *rdev)
if (rdev->irq.sw_int) {
tmp |= RADEON_SW_INT_ENABLE;
}
+ if (rdev->irq.gui_idle) {
+ tmp |= RADEON_GUI_IDLE_MASK;
+ }
if (rdev->irq.crtc_vblank_int[0]) {
tmp |= RADEON_CRTC_VBLANK_MASK;
}
@@ -296,6 +299,12 @@ static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
+ /* the interrupt works, but the status bit is permanently asserted */
+ if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
+ if (!rdev->irq.gui_idle_acked)
+ irq_mask |= RADEON_GUI_IDLE_STAT;
+ }
+
if (irqs) {
WREG32(RADEON_GEN_INT_STATUS, irqs);
}
@@ -307,6 +316,9 @@ int r100_irq_process(struct radeon_device *rdev)
uint32_t status, msi_rearm;
bool queue_hotplug = false;
+ /* reset gui idle ack. the status bit is broken */
+ rdev->irq.gui_idle_acked = false;
+
status = r100_irq_ack(rdev);
if (!status) {
return IRQ_NONE;
@@ -319,6 +331,12 @@ int r100_irq_process(struct radeon_device *rdev)
if (status & RADEON_SW_INT_TEST) {
radeon_fence_process(rdev);
}
+ /* gui idle interrupt */
+ if (status & RADEON_GUI_IDLE_STAT) {
+ rdev->irq.gui_idle_acked = true;
+ rdev->pm.gui_idle = true;
+ wake_up(&rdev->irq.idle_queue);
+ }
/* Vertical blank interrupts */
if (status & RADEON_CRTC_VBLANK_STAT) {
drm_handle_vblank(rdev->ddev, 0);
@@ -340,6 +358,8 @@ int r100_irq_process(struct radeon_device *rdev)
}
status = r100_irq_ack(rdev);
}
+ /* reset gui idle ack. the status bit is broken */
+ rdev->irq.gui_idle_acked = false;
if (queue_hotplug)
queue_work(rdev->wq, &rdev->hotplug_work);
if (rdev->msi_enabled) {
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 1c85dcb..094c29d 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2535,6 +2535,7 @@ int r600_irq_set(struct radeon_device *rdev)
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
u32 mode_int = 0;
u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
+ u32 grbm_int_cntl = 0;
u32 hdmi1, hdmi2;
if (!rdev->irq.installed) {
@@ -2611,9 +2612,14 @@ int r600_irq_set(struct radeon_device *rdev)
DRM_DEBUG("r600_irq_set: hdmi 2\n");
hdmi2 |= R600_HDMI_INT_EN;
}
+ if (rdev->irq.gui_idle) {
+ DRM_DEBUG("gui idle\n");
+ grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
+ }
WREG32(CP_INT_CNTL, cp_int_cntl);
WREG32(DxMODE_INT_MASK, mode_int);
+ WREG32(GRBM_INT_CNTL, grbm_int_cntl);
WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
if (ASIC_IS_DCE3(rdev)) {
WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
@@ -2929,6 +2935,11 @@ restart_ih:
case 181: /* CP EOP event */
DRM_DEBUG("IH: CP EOP\n");
break;
+ case 233: /* GUI IDLE */
+ DRM_DEBUG("IH: CP EOP\n");
+ rdev->pm.gui_idle = true;
+ wake_up(&rdev->irq.idle_queue);
+ break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index bb4a2a6..4339371 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -376,6 +376,9 @@ struct radeon_irq {
wait_queue_head_t vblank_queue;
/* FIXME: use defines for max hpd/dacs */
bool hpd[6];
+ bool gui_idle;
+ bool gui_idle_acked;
+ wait_queue_head_t idle_queue;
/* FIXME: use defines for max HDMI blocks */
bool hdmi[2];
spinlock_t sw_lock;
@@ -694,6 +697,7 @@ struct radeon_pm {
int active_crtcs;
int req_vblank;
bool vblank_sync;
+ bool gui_idle;
fixed20_12 max_bandwidth;
fixed20_12 igp_sideport_mclk;
fixed20_12 igp_system_mclk;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 26217ff..53a2c27 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -602,6 +602,7 @@ int radeon_device_init(struct radeon_device *rdev,
rwlock_init(&rdev->fence_drv.lock);
INIT_LIST_HEAD(&rdev->gem.objects);
init_waitqueue_head(&rdev->irq.vblank_queue);
+ init_waitqueue_head(&rdev->irq.idle_queue);
/* setup workqueue */
rdev->wq = create_workqueue("radeon");
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 8fa40ed..059bfa4 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -68,6 +68,7 @@ void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
/* Disable *all* interrupts */
rdev->irq.sw_int = false;
+ rdev->irq.gui_idle = false;
for (i = 0; i < rdev->num_crtc; i++)
rdev->irq.crtc_vblank_int[i] = false;
for (i = 0; i < 6; i++)
@@ -97,6 +98,7 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
}
/* Disable *all* interrupts */
rdev->irq.sw_int = false;
+ rdev->irq.gui_idle = false;
for (i = 0; i < rdev->num_crtc; i++)
rdev->irq.crtc_vblank_int[i] = false;
for (i = 0; i < 6; i++)
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a4b5749..6dfeb9c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -27,6 +27,7 @@
#define RADEON_IDLE_LOOP_MS 100
#define RADEON_RECLOCK_DELAY_MS 200
#define RADEON_WAIT_VBLANK_TIMEOUT 200
+#define RADEON_WAIT_IDLE_TIMEOUT 200
static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
static void radeon_pm_set_clocks_locked(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index eabbc9c..74d1cbf 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -995,6 +995,7 @@
# define RADEON_FP_DETECT_MASK (1 << 4)
# define RADEON_CRTC2_VBLANK_MASK (1 << 9)
# define RADEON_FP2_DETECT_MASK (1 << 10)
+# define RADEON_GUI_IDLE_MASK (1 << 19)
# define RADEON_SW_INT_ENABLE (1 << 25)
#define RADEON_GEN_INT_STATUS 0x0044
# define AVIVO_DISPLAY_INT_STATUS (1 << 0)
@@ -1006,6 +1007,8 @@
# define RADEON_CRTC2_VBLANK_STAT_ACK (1 << 9)
# define RADEON_FP2_DETECT_STAT (1 << 10)
# define RADEON_FP2_DETECT_STAT_ACK (1 << 10)
+# define RADEON_GUI_IDLE_STAT (1 << 19)
+# define RADEON_GUI_IDLE_STAT_ACK (1 << 19)
# define RADEON_SW_INT_FIRE (1 << 26)
# define RADEON_SW_INT_TEST (1 << 25)
# define RADEON_SW_INT_TEST_ACK (1 << 25)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 5e3f218..b312b72 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -382,6 +382,9 @@ int rs600_irq_set(struct radeon_device *rdev)
if (rdev->irq.sw_int) {
tmp |= S_000040_SW_INT_EN(1);
}
+ if (rdev->irq.gui_idle) {
+ tmp |= S_000040_GUI_IDLE(1);
+ }
if (rdev->irq.crtc_vblank_int[0]) {
mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
}
@@ -404,9 +407,15 @@ int rs600_irq_set(struct radeon_device *rdev)
static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int)
{
uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
- uint32_t irq_mask = ~C_000044_SW_INT;
+ uint32_t irq_mask = S_000044_SW_INT(1);
u32 tmp;
+ /* the interrupt works, but the status bit is permanently asserted */
+ if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
+ if (!rdev->irq.gui_idle_acked)
+ irq_mask |= S_000044_GUI_IDLE_STAT(1);
+ }
+
if (G_000044_DISPLAY_INT_STAT(irqs)) {
*r500_disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int)) {
@@ -454,6 +463,9 @@ int rs600_irq_process(struct radeon_device *rdev)
uint32_t r500_disp_int;
bool queue_hotplug = false;
+ /* reset gui idle ack. the status bit is broken */
+ rdev->irq.gui_idle_acked = false;
+
status = rs600_irq_ack(rdev, &r500_disp_int);
if (!status && !r500_disp_int) {
return IRQ_NONE;
@@ -462,6 +474,12 @@ int rs600_irq_process(struct radeon_device *rdev)
/* SW interrupt */
if (G_000044_SW_INT(status))
radeon_fence_process(rdev);
+ /* GUI idle */
+ if (G_000040_GUI_IDLE(status)) {
+ rdev->irq.gui_idle_acked = true;
+ rdev->pm.gui_idle = true;
+ wake_up(&rdev->irq.idle_queue);
+ }
/* Vertical blank interrupts */
if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) {
drm_handle_vblank(rdev->ddev, 0);
@@ -483,6 +501,8 @@ int rs600_irq_process(struct radeon_device *rdev)
}
status = rs600_irq_ack(rdev, &r500_disp_int);
}
+ /* reset gui idle ack. the status bit is broken */
+ rdev->irq.gui_idle_acked = false;
if (queue_hotplug)
queue_work(rdev->wq, &rdev->hotplug_work);
if (rdev->msi_enabled) {
generated by cgit v1.1 at 2024-06-07 09:10:59 +0000