[drm-next 01/14] drm/radeon/kms: add wait_for_vblank asic callback
alexdeucher at gmail.com
alexdeucher at gmail.com
Thu Feb 23 14:53:37 PST 2012
From: Alex Deucher <alexander.deucher at amd.com>
Required for future functionality.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/evergreen.c | 19 +++++++++++++++++
drivers/gpu/drm/radeon/evergreen_reg.h | 1 +
drivers/gpu/drm/radeon/r100.c | 34 ++++++++++++++++++++++++++++++++
drivers/gpu/drm/radeon/r500_reg.h | 2 +
drivers/gpu/drm/radeon/radeon.h | 3 ++
drivers/gpu/drm/radeon/radeon_asic.c | 17 ++++++++++++++++
drivers/gpu/drm/radeon/radeon_asic.h | 4 ++-
drivers/gpu/drm/radeon/radeon_reg.h | 2 +
drivers/gpu/drm/radeon/rs600.c | 19 +++++++++++++++++
9 files changed, 100 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index f58254a..158ff59 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -68,6 +68,25 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
}
}
+void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
+ int i;
+
+ if (RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset) & EVERGREEN_CRTC_MASTER_EN) {
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (!(RREG32(EVERGREEN_CRTC_STATUS + radeon_crtc->crtc_offset) & EVERGREEN_CRTC_V_BLANK))
+ break;
+ udelay(1);
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(EVERGREEN_CRTC_STATUS + radeon_crtc->crtc_offset) & EVERGREEN_CRTC_V_BLANK)
+ break;
+ udelay(1);
+ }
+ }
+}
+
void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
{
/* enable the pflip int */
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 4215de9..96c10b3 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -219,6 +219,7 @@
# define EVERGREEN_CRTC_MASTER_EN (1 << 0)
# define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24)
#define EVERGREEN_CRTC_STATUS 0x6e8c
+# define EVERGREEN_CRTC_V_BLANK (1 << 0)
#define EVERGREEN_CRTC_STATUS_POSITION 0x6e90
#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
#define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 333cde9..bff612a 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -65,6 +65,40 @@ MODULE_FIRMWARE(FIRMWARE_R520);
#include "r100_track.h"
+void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
+ int i;
+
+ if (radeon_crtc->crtc_id == 0) {
+ if (RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN) {
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (!(RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR))
+ break;
+ udelay(1);
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
+ break;
+ udelay(1);
+ }
+ }
+ } else {
+ if (RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN) {
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (!(RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR))
+ break;
+ udelay(1);
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
+ break;
+ udelay(1);
+ }
+ }
+ }
+}
+
/* This files gather functions specifics to:
* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
*/
diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h
index 3bd8f1b..ec576aa 100644
--- a/drivers/gpu/drm/radeon/r500_reg.h
+++ b/drivers/gpu/drm/radeon/r500_reg.h
@@ -351,6 +351,8 @@
#define AVIVO_D1CRTC_BLANK_CONTROL 0x6084
#define AVIVO_D1CRTC_INTERLACE_CONTROL 0x6088
#define AVIVO_D1CRTC_INTERLACE_STATUS 0x608c
+#define AVIVO_D1CRTC_STATUS 0x609c
+# define AVIVO_D1CRTC_V_BLANK (1 << 0)
#define AVIVO_D1CRTC_STATUS_POSITION 0x60a0
#define AVIVO_D1CRTC_FRAME_COUNT 0x60a4
#define AVIVO_D1CRTC_STEREO_CONTROL 0x60c4
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 509b03d..76d08d8 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1201,6 +1201,8 @@ struct radeon_asic {
void (*pre_page_flip)(struct radeon_device *rdev, int crtc);
u32 (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
void (*post_page_flip)(struct radeon_device *rdev, int crtc);
+ /* wait for vblank */
+ void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
};
/*
@@ -1689,6 +1691,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
#define radeon_pre_page_flip(rdev, crtc) rdev->asic->pre_page_flip((rdev), (crtc))
#define radeon_page_flip(rdev, crtc, base) rdev->asic->page_flip((rdev), (crtc), (base))
#define radeon_post_page_flip(rdev, crtc) rdev->asic->post_page_flip((rdev), (crtc))
+#define radeon_wait_for_vblank(rdev, crtc) rdev->asic->wait_for_vblank((rdev), (crtc))
/* Common functions */
/* AGP */
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 636c68f..67f809e 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -178,6 +178,7 @@ static struct radeon_asic r100_asic = {
.pre_page_flip = &r100_pre_page_flip,
.page_flip = &r100_page_flip,
.post_page_flip = &r100_post_page_flip,
+ .wait_for_vblank = &r100_wait_for_vblank,
};
static struct radeon_asic r200_asic = {
@@ -229,6 +230,7 @@ static struct radeon_asic r200_asic = {
.pre_page_flip = &r100_pre_page_flip,
.page_flip = &r100_page_flip,
.post_page_flip = &r100_post_page_flip,
+ .wait_for_vblank = &r100_wait_for_vblank,
};
static struct radeon_asic r300_asic = {
@@ -281,6 +283,7 @@ static struct radeon_asic r300_asic = {
.pre_page_flip = &r100_pre_page_flip,
.page_flip = &r100_page_flip,
.post_page_flip = &r100_post_page_flip,
+ .wait_for_vblank = &r100_wait_for_vblank,
};
static struct radeon_asic r300_asic_pcie = {
@@ -332,6 +335,7 @@ static struct radeon_asic r300_asic_pcie = {
.pre_page_flip = &r100_pre_page_flip,
.page_flip = &r100_page_flip,
.post_page_flip = &r100_post_page_flip,
+ .wait_for_vblank = &r100_wait_for_vblank,
};
static struct radeon_asic r420_asic = {
@@ -384,6 +388,7 @@ static struct radeon_asic r420_asic = {
.pre_page_flip = &r100_pre_page_flip,
.page_flip = &r100_page_flip,
.post_page_flip = &r100_post_page_flip,
+ .wait_for_vblank = &r100_wait_for_vblank,
};
static struct radeon_asic rs400_asic = {
@@ -436,6 +441,7 @@ static struct radeon_asic rs400_asic = {
.pre_page_flip = &r100_pre_page_flip,
.page_flip = &r100_page_flip,
.post_page_flip = &r100_post_page_flip,
+ .wait_for_vblank = &r100_wait_for_vblank,
};
static struct radeon_asic rs600_asic = {
@@ -488,6 +494,7 @@ static struct radeon_asic rs600_asic = {
.pre_page_flip = &rs600_pre_page_flip,
.page_flip = &rs600_page_flip,
.post_page_flip = &rs600_post_page_flip,
+ .wait_for_vblank = &avivo_wait_for_vblank,
};
static struct radeon_asic rs690_asic = {
@@ -540,6 +547,7 @@ static struct radeon_asic rs690_asic = {
.pre_page_flip = &rs600_pre_page_flip,
.page_flip = &rs600_page_flip,
.post_page_flip = &rs600_post_page_flip,
+ .wait_for_vblank = &avivo_wait_for_vblank,
};
static struct radeon_asic rv515_asic = {
@@ -592,6 +600,7 @@ static struct radeon_asic rv515_asic = {
.pre_page_flip = &rs600_pre_page_flip,
.page_flip = &rs600_page_flip,
.post_page_flip = &rs600_post_page_flip,
+ .wait_for_vblank = &avivo_wait_for_vblank,
};
static struct radeon_asic r520_asic = {
@@ -644,6 +653,7 @@ static struct radeon_asic r520_asic = {
.pre_page_flip = &rs600_pre_page_flip,
.page_flip = &rs600_page_flip,
.post_page_flip = &rs600_post_page_flip,
+ .wait_for_vblank = &avivo_wait_for_vblank,
};
static struct radeon_asic r600_asic = {
@@ -695,6 +705,7 @@ static struct radeon_asic r600_asic = {
.pre_page_flip = &rs600_pre_page_flip,
.page_flip = &rs600_page_flip,
.post_page_flip = &rs600_post_page_flip,
+ .wait_for_vblank = &avivo_wait_for_vblank,
};
static struct radeon_asic rs780_asic = {
@@ -746,6 +757,7 @@ static struct radeon_asic rs780_asic = {
.pre_page_flip = &rs600_pre_page_flip,
.page_flip = &rs600_page_flip,
.post_page_flip = &rs600_post_page_flip,
+ .wait_for_vblank = &avivo_wait_for_vblank,
};
static struct radeon_asic rv770_asic = {
@@ -797,6 +809,7 @@ static struct radeon_asic rv770_asic = {
.pre_page_flip = &rs600_pre_page_flip,
.page_flip = &rv770_page_flip,
.post_page_flip = &rs600_post_page_flip,
+ .wait_for_vblank = &avivo_wait_for_vblank,
};
static struct radeon_asic evergreen_asic = {
@@ -848,6 +861,7 @@ static struct radeon_asic evergreen_asic = {
.pre_page_flip = &evergreen_pre_page_flip,
.page_flip = &evergreen_page_flip,
.post_page_flip = &evergreen_post_page_flip,
+ .wait_for_vblank = &dce4_wait_for_vblank,
};
static struct radeon_asic sumo_asic = {
@@ -899,6 +913,7 @@ static struct radeon_asic sumo_asic = {
.pre_page_flip = &evergreen_pre_page_flip,
.page_flip = &evergreen_page_flip,
.post_page_flip = &evergreen_post_page_flip,
+ .wait_for_vblank = &dce4_wait_for_vblank,
};
static struct radeon_asic btc_asic = {
@@ -950,6 +965,7 @@ static struct radeon_asic btc_asic = {
.pre_page_flip = &evergreen_pre_page_flip,
.page_flip = &evergreen_page_flip,
.post_page_flip = &evergreen_post_page_flip,
+ .wait_for_vblank = &dce4_wait_for_vblank,
};
static const struct radeon_vm_funcs cayman_vm_funcs = {
@@ -1026,6 +1042,7 @@ static struct radeon_asic cayman_asic = {
.pre_page_flip = &evergreen_pre_page_flip,
.page_flip = &evergreen_page_flip,
.post_page_flip = &evergreen_post_page_flip,
+ .wait_for_vblank = &dce4_wait_for_vblank,
};
int radeon_asic_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 6304aef..d9df84f 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -139,6 +139,7 @@ extern void r100_pm_get_dynpm_state(struct radeon_device *rdev);
extern void r100_pre_page_flip(struct radeon_device *rdev, int crtc);
extern u32 r100_page_flip(struct radeon_device *rdev, int crtc, u64 crtc_base);
extern void r100_post_page_flip(struct radeon_device *rdev, int crtc);
+extern void r100_wait_for_vblank(struct radeon_device *rdev, int crtc);
/*
* r200,rv250,rs300,rv280
@@ -236,7 +237,7 @@ extern void rs600_pre_page_flip(struct radeon_device *rdev, int crtc);
extern u32 rs600_page_flip(struct radeon_device *rdev, int crtc, u64 crtc_base);
extern void rs600_post_page_flip(struct radeon_device *rdev, int crtc);
void rs600_set_safe_registers(struct radeon_device *rdev);
-
+extern void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc);
/*
* rs690,rs740
@@ -423,6 +424,7 @@ extern void sumo_pm_init_profile(struct radeon_device *rdev);
extern void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc);
extern u32 evergreen_page_flip(struct radeon_device *rdev, int crtc, u64 crtc_base);
extern void evergreen_post_page_flip(struct radeon_device *rdev, int crtc);
+extern void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc);
void evergreen_disable_interrupt_state(struct radeon_device *rdev);
int evergreen_blit_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index b4ce864..5098634 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -539,9 +539,11 @@
#define RADEON_CRTC2_PITCH 0x032c
#define RADEON_CRTC_STATUS 0x005c
+# define RADEON_CRTC_VBLANK_CUR (1 << 0)
# define RADEON_CRTC_VBLANK_SAVE (1 << 1)
# define RADEON_CRTC_VBLANK_SAVE_CLEAR (1 << 1)
#define RADEON_CRTC2_STATUS 0x03fc
+# define RADEON_CRTC2_VBLANK_CUR (1 << 0)
# define RADEON_CRTC2_VBLANK_SAVE (1 << 1)
# define RADEON_CRTC2_VBLANK_SAVE_CLEAR (1 << 1)
#define RADEON_CRTC_V_SYNC_STRT_WID 0x020c
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 4fc7006..ab1b6da 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -46,6 +46,25 @@
void rs600_gpu_init(struct radeon_device *rdev);
int rs600_mc_wait_for_idle(struct radeon_device *rdev);
+void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
+ int i;
+
+ if (RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset) & AVIVO_CRTC_EN) {
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (!(RREG32(AVIVO_D1CRTC_STATUS + radeon_crtc->crtc_offset) & AVIVO_D1CRTC_V_BLANK))
+ break;
+ udelay(1);
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(AVIVO_D1CRTC_STATUS + radeon_crtc->crtc_offset) & AVIVO_D1CRTC_V_BLANK)
+ break;
+ udelay(1);
+ }
+ }
+}
+
void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
{
/* enable the pflip int */
--
1.7.7.5
More information about the dri-devel
mailing list