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drm/radeon/kms: display watermark updates (v2)

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- Add module option to force the display priority
  0 = auto, 1 = normal, 2 = high
- Default to high on r3xx/r4xx/rv515 chips
  Fixes flickering problems during heavy acceleration
  due to underflow to the display controllers
- Fill in minimal support for RS600

v2 - update display priority when bandwidth is updated
so the user can change the parameter at runtime and it
will take affect on the next modeset.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-03-31 00:33:27 -04:00 committed by Dave Airlie
parent 3b01a1191f
commit f46c01208d
9 changed files with 155 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/radeon/r100.c
View File

@ -2389,6 +2389,8 @@ void r100_bandwidth_update(struct radeon_device *rdev)
uint32_t pixel_bytes1 = 0;
uint32_t pixel_bytes2 = 0;
radeon_update_display_priority(rdev);
if (rdev->mode_info.crtcs[0]->base.enabled) {
mode1 = &rdev->mode_info.crtcs[0]->base.mode;
pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;

2
drivers/gpu/drm/radeon/radeon.h
View File

@ -91,6 +91,7 @@ extern int radeon_tv;
extern int radeon_new_pll;
extern int radeon_dynpm;
extern int radeon_audio;
extern int radeon_disp_priority;
/*
* Copy from radeon_drv.h so we don't have to include both and have conflicting
@ -1181,6 +1182,7 @@ extern int radeon_modeset_init(struct radeon_device *rdev);
extern void radeon_modeset_fini(struct radeon_device *rdev);
extern bool radeon_card_posted(struct radeon_device *rdev);
extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
extern void radeon_update_display_priority(struct radeon_device *rdev);
extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
extern int radeon_clocks_init(struct radeon_device *rdev);
extern void radeon_clocks_fini(struct radeon_device *rdev);

17
drivers/gpu/drm/radeon/radeon_display.c
View File

@ -971,6 +971,23 @@ static int radeon_modeset_create_props(struct radeon_device *rdev)
return 0;
}
void radeon_update_display_priority(struct radeon_device *rdev)
{
/* adjustment options for the display watermarks */
if ((radeon_disp_priority == 0) || (radeon_disp_priority > 2)) {
/* set display priority to high for r3xx, rv515 chips
* this avoids flickering due to underflow to the
* display controllers during heavy acceleration.
*/
if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515))
rdev->disp_priority = 2;
else
rdev->disp_priority = 0;
} else
rdev->disp_priority = radeon_disp_priority;
}
int radeon_modeset_init(struct radeon_device *rdev)
{
int i;

4
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -92,6 +92,7 @@ int radeon_tv = 1;
int radeon_new_pll = -1;
int radeon_dynpm = -1;
int radeon_audio = 1;
int radeon_disp_priority = 0;
MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
module_param_named(no_wb, radeon_no_wb, int, 0444);
@ -135,6 +136,9 @@ module_param_named(dynpm, radeon_dynpm, int, 0444);
MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
module_param_named(audio, radeon_audio, int, 0444);
MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
module_param_named(disp_priority, radeon_disp_priority, int, 0444);
static int radeon_suspend(struct drm_device *dev, pm_message_t state)
{
drm_radeon_private_t *dev_priv = dev->dev_private;

25
drivers/gpu/drm/radeon/rs600.c
View File

@ -483,7 +483,30 @@ void rs600_mc_init(struct radeon_device *rdev)
void rs600_bandwidth_update(struct radeon_device *rdev)
{
/* FIXME: implement, should this be like rs690 ? */
struct drm_display_mode *mode0 = NULL;
struct drm_display_mode *mode1 = NULL;
u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
/* FIXME: implement full support */
radeon_update_display_priority(rdev);
if (rdev->mode_info.crtcs[0]->base.enabled)
mode0 = &rdev->mode_info.crtcs[0]->base.mode;
if (rdev->mode_info.crtcs[1]->base.enabled)
mode1 = &rdev->mode_info.crtcs[1]->base.mode;
rs690_line_buffer_adjust(rdev, mode0, mode1);
if (rdev->disp_priority == 2) {
d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
}
}
uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)

53
drivers/gpu/drm/radeon/rs600d.h
View File

@ -535,4 +535,57 @@
#define G_00016C_INVALIDATE_L1_TLB(x) (((x) >> 20) & 0x1)
#define C_00016C_INVALIDATE_L1_TLB 0xFFEFFFFF
#define R_006548_D1MODE_PRIORITY_A_CNT 0x006548
#define S_006548_D1MODE_PRIORITY_MARK_A(x) (((x) & 0x7FFF) << 0)
#define G_006548_D1MODE_PRIORITY_MARK_A(x) (((x) >> 0) & 0x7FFF)
#define C_006548_D1MODE_PRIORITY_MARK_A 0xFFFF8000
#define S_006548_D1MODE_PRIORITY_A_OFF(x) (((x) & 0x1) << 16)
#define G_006548_D1MODE_PRIORITY_A_OFF(x) (((x) >> 16) & 0x1)
#define C_006548_D1MODE_PRIORITY_A_OFF 0xFFFEFFFF
#define S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x) (((x) & 0x1) << 20)
#define G_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x) (((x) >> 20) & 0x1)
#define C_006548_D1MODE_PRIORITY_A_ALWAYS_ON 0xFFEFFFFF
#define S_006548_D1MODE_PRIORITY_A_FORCE_MASK(x) (((x) & 0x1) << 24)
#define G_006548_D1MODE_PRIORITY_A_FORCE_MASK(x) (((x) >> 24) & 0x1)
#define C_006548_D1MODE_PRIORITY_A_FORCE_MASK 0xFEFFFFFF
#define R_00654C_D1MODE_PRIORITY_B_CNT 0x00654C
#define S_00654C_D1MODE_PRIORITY_MARK_B(x) (((x) & 0x7FFF) << 0)
#define G_00654C_D1MODE_PRIORITY_MARK_B(x) (((x) >> 0) & 0x7FFF)
#define C_00654C_D1MODE_PRIORITY_MARK_B 0xFFFF8000
#define S_00654C_D1MODE_PRIORITY_B_OFF(x) (((x) & 0x1) << 16)
#define G_00654C_D1MODE_PRIORITY_B_OFF(x) (((x) >> 16) & 0x1)
#define C_00654C_D1MODE_PRIORITY_B_OFF 0xFFFEFFFF
#define S_00654C_D1MODE_PRIORITY_B_ALWAYS_ON(x) (((x) & 0x1) << 20)
#define G_00654C_D1MODE_PRIORITY_B_ALWAYS_ON(x) (((x) >> 20) & 0x1)
#define C_00654C_D1MODE_PRIORITY_B_ALWAYS_ON 0xFFEFFFFF
#define S_00654C_D1MODE_PRIORITY_B_FORCE_MASK(x) (((x) & 0x1) << 24)
#define G_00654C_D1MODE_PRIORITY_B_FORCE_MASK(x) (((x) >> 24) & 0x1)
#define C_00654C_D1MODE_PRIORITY_B_FORCE_MASK 0xFEFFFFFF
#define R_006D48_D2MODE_PRIORITY_A_CNT 0x006D48
#define S_006D48_D2MODE_PRIORITY_MARK_A(x) (((x) & 0x7FFF) << 0)
#define G_006D48_D2MODE_PRIORITY_MARK_A(x) (((x) >> 0) & 0x7FFF)
#define C_006D48_D2MODE_PRIORITY_MARK_A 0xFFFF8000
#define S_006D48_D2MODE_PRIORITY_A_OFF(x) (((x) & 0x1) << 16)
#define G_006D48_D2MODE_PRIORITY_A_OFF(x) (((x) >> 16) & 0x1)
#define C_006D48_D2MODE_PRIORITY_A_OFF 0xFFFEFFFF
#define S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(x) (((x) & 0x1) << 20)
#define G_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(x) (((x) >> 20) & 0x1)
#define C_006D48_D2MODE_PRIORITY_A_ALWAYS_ON 0xFFEFFFFF
#define S_006D48_D2MODE_PRIORITY_A_FORCE_MASK(x) (((x) & 0x1) << 24)
#define G_006D48_D2MODE_PRIORITY_A_FORCE_MASK(x) (((x) >> 24) & 0x1)
#define C_006D48_D2MODE_PRIORITY_A_FORCE_MASK 0xFEFFFFFF
#define R_006D4C_D2MODE_PRIORITY_B_CNT 0x006D4C
#define S_006D4C_D2MODE_PRIORITY_MARK_B(x) (((x) & 0x7FFF) << 0)
#define G_006D4C_D2MODE_PRIORITY_MARK_B(x) (((x) >> 0) & 0x7FFF)
#define C_006D4C_D2MODE_PRIORITY_MARK_B 0xFFFF8000
#define S_006D4C_D2MODE_PRIORITY_B_OFF(x) (((x) & 0x1) << 16)
#define G_006D4C_D2MODE_PRIORITY_B_OFF(x) (((x) >> 16) & 0x1)
#define C_006D4C_D2MODE_PRIORITY_B_OFF 0xFFFEFFFF
#define S_006D4C_D2MODE_PRIORITY_B_ALWAYS_ON(x) (((x) & 0x1) << 20)
#define G_006D4C_D2MODE_PRIORITY_B_ALWAYS_ON(x) (((x) >> 20) & 0x1)
#define C_006D4C_D2MODE_PRIORITY_B_ALWAYS_ON 0xFFEFFFFF
#define S_006D4C_D2MODE_PRIORITY_B_FORCE_MASK(x) (((x) & 0x1) << 24)
#define G_006D4C_D2MODE_PRIORITY_B_FORCE_MASK(x) (((x) >> 24) & 0x1)
#define C_006D4C_D2MODE_PRIORITY_B_FORCE_MASK 0xFEFFFFFF
#endif

35
drivers/gpu/drm/radeon/rs690.c
View File

@ -400,10 +400,12 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
struct drm_display_mode *mode1 = NULL;
struct rs690_watermark wm0;
struct rs690_watermark wm1;
u32 tmp;
u32 tmp, d1mode_priority_a_cnt, d2mode_priority_a_cnt;
fixed20_12 priority_mark02, priority_mark12, fill_rate;
fixed20_12 a, b;
radeon_update_display_priority(rdev);
if (rdev->mode_info.crtcs[0]->base.enabled)
mode0 = &rdev->mode_info.crtcs[0]->base.mode;
if (rdev->mode_info.crtcs[1]->base.enabled)
@ -413,7 +415,8 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
* modes if the user specifies HIGH for displaypriority
* option.
*/
if (rdev->disp_priority == 2) {
if ((rdev->disp_priority == 2) &&
((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740))) {
tmp = RREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER);
tmp &= C_000104_MC_DISP0R_INIT_LAT;
tmp &= C_000104_MC_DISP1R_INIT_LAT;
@ -488,10 +491,16 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2) {
d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
}
WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
} else if (mode0) {
if (rfixed_trunc(wm0.dbpp) > 64)
a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
@ -518,8 +527,11 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
if (rdev->disp_priority == 2)
d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT,
S_006D48_D2MODE_PRIORITY_A_OFF(1));
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT,
@ -550,12 +562,15 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2)
d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
WREG32(R_006548_D1MODE_PRIORITY_A_CNT,
S_006548_D1MODE_PRIORITY_A_OFF(1));
WREG32(R_00654C_D1MODE_PRIORITY_B_CNT,
S_00654C_D1MODE_PRIORITY_B_OFF(1));
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
}
}

3
drivers/gpu/drm/radeon/rs690d.h
View File

@ -182,6 +182,9 @@
#define S_006548_D1MODE_PRIORITY_A_OFF(x) (((x) & 0x1) << 16)
#define G_006548_D1MODE_PRIORITY_A_OFF(x) (((x) >> 16) & 0x1)
#define C_006548_D1MODE_PRIORITY_A_OFF 0xFFFEFFFF
#define S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x) (((x) & 0x1) << 20)
#define G_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x) (((x) >> 20) & 0x1)
#define C_006548_D1MODE_PRIORITY_A_ALWAYS_ON 0xFFEFFFFF
#define S_006548_D1MODE_PRIORITY_A_FORCE_MASK(x) (((x) & 0x1) << 24)
#define G_006548_D1MODE_PRIORITY_A_FORCE_MASK(x) (((x) >> 24) & 0x1)
#define C_006548_D1MODE_PRIORITY_A_FORCE_MASK 0xFEFFFFFF

35
drivers/gpu/drm/radeon/rv515.c
View File

@ -1016,7 +1016,7 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
struct drm_display_mode *mode1 = NULL;
struct rv515_watermark wm0;
struct rv515_watermark wm1;
u32 tmp;
u32 tmp, d1mode_priority_a_cnt, d2mode_priority_a_cnt;
fixed20_12 priority_mark02, priority_mark12, fill_rate;
fixed20_12 a, b;
@ -1084,10 +1084,16 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2) {
d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
}
WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
} else if (mode0) {
if (rfixed_trunc(wm0.dbpp) > 64)
a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
@ -1114,8 +1120,11 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
if (rdev->disp_priority == 2)
d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
} else {
@ -1144,10 +1153,13 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2)
d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
}
}
@ -1157,6 +1169,8 @@ void rv515_bandwidth_update(struct radeon_device *rdev)
struct drm_display_mode *mode0 = NULL;
struct drm_display_mode *mode1 = NULL;
radeon_update_display_priority(rdev);
if (rdev->mode_info.crtcs[0]->base.enabled)
mode0 = &rdev->mode_info.crtcs[0]->base.mode;
if (rdev->mode_info.crtcs[1]->base.enabled)
@ -1166,7 +1180,8 @@ void rv515_bandwidth_update(struct radeon_device *rdev)
* modes if the user specifies HIGH for displaypriority
* option.
*/
if (rdev->disp_priority == 2) {
if ((rdev->disp_priority == 2) &&
(rdev->family == CHIP_RV515)) {
tmp = RREG32_MC(MC_MISC_LAT_TIMER);
tmp &= ~MC_DISP1R_INIT_LAT_MASK;
tmp &= ~MC_DISP0R_INIT_LAT_MASK;