summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/r100.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c89
1 files changed, 75 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 8e10aa9f74b0..46da5142b131 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -68,6 +68,56 @@ MODULE_FIRMWARE(FIRMWARE_R520);
* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
*/
+void r100_pre_page_flip(struct radeon_device *rdev, int crtc)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
+ u32 tmp;
+
+ /* make sure flip is at vb rather than hb */
+ tmp = RREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset);
+ tmp &= ~RADEON_CRTC_OFFSET_FLIP_CNTL;
+ /* make sure pending bit is asserted */
+ tmp |= RADEON_CRTC_GUI_TRIG_OFFSET_LEFT_EN;
+ WREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset, tmp);
+
+ /* set pageflip to happen as late as possible in the vblank interval.
+ * same field for crtc1/2
+ */
+ tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+ tmp &= ~RADEON_CRTC_VSTAT_MODE_MASK;
+ WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+
+ /* enable the pflip int */
+ radeon_irq_kms_pflip_irq_get(rdev, crtc);
+}
+
+void r100_post_page_flip(struct radeon_device *rdev, int crtc)
+{
+ /* disable the pflip int */
+ radeon_irq_kms_pflip_irq_put(rdev, crtc);
+}
+
+u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
+ u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
+
+ /* Lock the graphics update lock */
+ /* update the scanout addresses */
+ WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
+
+ /* Wait for update_pending to go high. */
+ while (!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET));
+ DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
+
+ /* Unlock the lock, so double-buffering can take place inside vblank */
+ tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
+ WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
+
+ /* Return current update_pending status: */
+ return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET;
+}
+
void r100_pm_get_dynpm_state(struct radeon_device *rdev)
{
int i;
@@ -526,10 +576,12 @@ int r100_irq_set(struct radeon_device *rdev)
if (rdev->irq.gui_idle) {
tmp |= RADEON_GUI_IDLE_MASK;
}
- if (rdev->irq.crtc_vblank_int[0]) {
+ if (rdev->irq.crtc_vblank_int[0] ||
+ rdev->irq.pflip[0]) {
tmp |= RADEON_CRTC_VBLANK_MASK;
}
- if (rdev->irq.crtc_vblank_int[1]) {
+ if (rdev->irq.crtc_vblank_int[1] ||
+ rdev->irq.pflip[1]) {
tmp |= RADEON_CRTC2_VBLANK_MASK;
}
if (rdev->irq.hpd[0]) {
@@ -600,14 +652,22 @@ int r100_irq_process(struct radeon_device *rdev)
}
/* Vertical blank interrupts */
if (status & RADEON_CRTC_VBLANK_STAT) {
- drm_handle_vblank(rdev->ddev, 0);
- rdev->pm.vblank_sync = true;
- wake_up(&rdev->irq.vblank_queue);
+ if (rdev->irq.crtc_vblank_int[0]) {
+ drm_handle_vblank(rdev->ddev, 0);
+ rdev->pm.vblank_sync = true;
+ wake_up(&rdev->irq.vblank_queue);
+ }
+ if (rdev->irq.pflip[0])
+ radeon_crtc_handle_flip(rdev, 0);
}
if (status & RADEON_CRTC2_VBLANK_STAT) {
- drm_handle_vblank(rdev->ddev, 1);
- rdev->pm.vblank_sync = true;
- wake_up(&rdev->irq.vblank_queue);
+ if (rdev->irq.crtc_vblank_int[1]) {
+ drm_handle_vblank(rdev->ddev, 1);
+ rdev->pm.vblank_sync = true;
+ wake_up(&rdev->irq.vblank_queue);
+ }
+ if (rdev->irq.pflip[1])
+ radeon_crtc_handle_flip(rdev, 1);
}
if (status & RADEON_FP_DETECT_STAT) {
queue_hotplug = true;
@@ -622,7 +682,7 @@ int r100_irq_process(struct radeon_device *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);
+ schedule_work(&rdev->hotplug_work);
if (rdev->msi_enabled) {
switch (rdev->family) {
case CHIP_RS400:
@@ -2026,12 +2086,13 @@ int r100_asic_reset(struct radeon_device *rdev)
{
struct r100_mc_save save;
u32 status, tmp;
+ int ret = 0;
- r100_mc_stop(rdev, &save);
status = RREG32(R_000E40_RBBM_STATUS);
if (!G_000E40_GUI_ACTIVE(status)) {
return 0;
}
+ r100_mc_stop(rdev, &save);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* stop CP */
@@ -2071,11 +2132,11 @@ int r100_asic_reset(struct radeon_device *rdev)
G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
dev_err(rdev->dev, "failed to reset GPU\n");
rdev->gpu_lockup = true;
- return -1;
- }
+ ret = -1;
+ } else
+ dev_info(rdev->dev, "GPU reset succeed\n");
r100_mc_resume(rdev, &save);
- dev_info(rdev->dev, "GPU reset succeed\n");
- return 0;
+ return ret;
}
void r100_set_common_regs(struct radeon_device *rdev)