drm/radeon/kms: add support for per-ring fence interrupts
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 6ff1180..266d411 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -40,6 +40,8 @@
static void evergreen_gpu_init(struct radeon_device *rdev);
void evergreen_fini(struct radeon_device *rdev);
void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
+extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
+ int ring, u32 cp_int_cntl);
void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
{
@@ -2474,7 +2476,13 @@
{
u32 tmp;
- WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
+ if (rdev->family >= CHIP_CAYMAN) {
+ cayman_cp_int_cntl_setup(rdev, 0,
+ CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
+ cayman_cp_int_cntl_setup(rdev, 1, 0);
+ cayman_cp_int_cntl_setup(rdev, 2, 0);
+ } else
+ WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
WREG32(GRBM_INT_CNTL, 0);
WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
@@ -2519,6 +2527,7 @@
int evergreen_irq_set(struct radeon_device *rdev)
{
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
+ u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
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;
@@ -2543,11 +2552,28 @@
hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
- if (rdev->irq.sw_int) {
- DRM_DEBUG("evergreen_irq_set: sw int\n");
- cp_int_cntl |= RB_INT_ENABLE;
- cp_int_cntl |= TIME_STAMP_INT_ENABLE;
+ if (rdev->family >= CHIP_CAYMAN) {
+ /* enable CP interrupts on all rings */
+ if (rdev->irq.sw_int[RADEON_RING_TYPE_GFX_INDEX]) {
+ DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
+ cp_int_cntl |= TIME_STAMP_INT_ENABLE;
+ }
+ if (rdev->irq.sw_int[CAYMAN_RING_TYPE_CP1_INDEX]) {
+ DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
+ cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
+ }
+ if (rdev->irq.sw_int[CAYMAN_RING_TYPE_CP2_INDEX]) {
+ DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
+ cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
+ }
+ } else {
+ if (rdev->irq.sw_int[RADEON_RING_TYPE_GFX_INDEX]) {
+ DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
+ cp_int_cntl |= RB_INT_ENABLE;
+ cp_int_cntl |= TIME_STAMP_INT_ENABLE;
+ }
}
+
if (rdev->irq.crtc_vblank_int[0] ||
rdev->irq.pflip[0]) {
DRM_DEBUG("evergreen_irq_set: vblank 0\n");
@@ -2607,7 +2633,12 @@
grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
}
- WREG32(CP_INT_CNTL, cp_int_cntl);
+ if (rdev->family >= CHIP_CAYMAN) {
+ cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
+ cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
+ cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
+ } else
+ WREG32(CP_INT_CNTL, cp_int_cntl);
WREG32(GRBM_INT_CNTL, grbm_int_cntl);
WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
@@ -3026,7 +3057,20 @@
break;
case 181: /* CP EOP event */
DRM_DEBUG("IH: CP EOP\n");
- radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
+ if (rdev->family >= CHIP_CAYMAN) {
+ switch (src_data) {
+ case 0:
+ radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
+ break;
+ case 1:
+ radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
+ break;
+ case 2:
+ radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
+ break;
+ }
+ } else
+ radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break;
case 233: /* GUI IDLE */
DRM_DEBUG("IH: GUI idle\n");