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drm: Move timestamping constants into drm_vblank_crtc

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Collect the timestamping constants alongside the rest of the relevant
stuff under drm_vblank_crtc.

We can now get rid of the 'refcrtc' parameter to
drm_calc_vbltimestamp_from_scanoutpos().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-09-14 22:43:43 +03:00 committed by Daniel Vetter
parent 942840371c
commit eba1f35dfe
7 changed files with 16 additions and 20 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
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@ -681,7 +681,7 @@ int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
vblank_time, flags,
drmcrtc, &drmcrtc->hwmode);
&drmcrtc->hwmode);
}
const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {

16
drivers/gpu/drm/drm_irq.c
View File

@ -603,6 +603,7 @@ int drm_control(struct drm_device *dev, void *data,
void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode)
{
struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
int linedur_ns = 0, pixeldur_ns = 0, framedur_ns = 0;
int dotclock = mode->crtc_clock;
@ -628,9 +629,9 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc,
DRM_ERROR("crtc %u: Can't calculate constants, dotclock = 0!\n",
crtc->base.id);
crtc->pixeldur_ns = pixeldur_ns;
crtc->linedur_ns = linedur_ns;
crtc->framedur_ns = framedur_ns;
vblank->pixeldur_ns = pixeldur_ns;
vblank->linedur_ns = linedur_ns;
vblank->framedur_ns = framedur_ns;
DRM_DEBUG("crtc %u: hwmode: htotal %d, vtotal %d, vdisplay %d\n",
crtc->base.id, mode->crtc_htotal,
@ -651,7 +652,6 @@ EXPORT_SYMBOL(drm_calc_timestamping_constants);
* @flags: Flags to pass to driver:
* 0 = Default,
* DRM_CALLED_FROM_VBLIRQ = If function is called from vbl IRQ handler
* @refcrtc: CRTC which defines scanout timing
* @mode: mode which defines the scanout timings
*
* Implements calculation of exact vblank timestamps from given drm_display_mode
@ -692,9 +692,9 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
int *max_error,
struct timeval *vblank_time,
unsigned flags,
const struct drm_crtc *refcrtc,
const struct drm_display_mode *mode)
{
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
struct timeval tv_etime;
ktime_t stime, etime;
int vbl_status;
@ -714,9 +714,9 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
}
/* Durations of frames, lines, pixels in nanoseconds. */
framedur_ns = refcrtc->framedur_ns;
linedur_ns = refcrtc->linedur_ns;
pixeldur_ns = refcrtc->pixeldur_ns;
framedur_ns = vblank->framedur_ns;
linedur_ns = vblank->linedur_ns;
pixeldur_ns = vblank->pixeldur_ns;
/* If mode timing undefined, just return as no-op:
* Happens during initial modesetting of a crtc.

1
drivers/gpu/drm/i915/i915_irq.c
View File

@ -810,7 +810,6 @@ static int i915_get_vblank_timestamp(struct drm_device *dev, int pipe,
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
vblank_time, flags,
crtc,
&crtc->hwmode);
}

5
drivers/gpu/drm/nouveau/nouveau_display.c
View File

@ -103,6 +103,7 @@ nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
.base.head = nouveau_crtc(crtc)->index,
};
struct nouveau_display *disp = nouveau_display(crtc->dev);
struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
int ret, retry = 1;
do {
@ -116,7 +117,7 @@ nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
break;
}
if (retry) ndelay(crtc->linedur_ns);
if (retry) ndelay(vblank->linedur_ns);
} while (retry--);
*hpos = args.scan.hline;
@ -155,7 +156,7 @@ nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error,
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (nouveau_crtc(crtc)->index == head) {
return drm_calc_vbltimestamp_from_scanoutpos(dev,
head, max_error, time, flags, crtc,
head, max_error, time, flags,
&crtc->hwmode);
}
}

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

@ -841,7 +841,7 @@ int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
vblank_time, flags,
drmcrtc, &drmcrtc->hwmode);
&drmcrtc->hwmode);
}
#define KMS_INVALID_IOCTL(name) \

4
include/drm/drmP.h
View File

@ -701,6 +701,9 @@ struct drm_vblank_crtc {
u32 last_wait; /* Last vblank seqno waited per CRTC */
unsigned int inmodeset; /* Display driver is setting mode */
unsigned int pipe; /* crtc index */
int framedur_ns; /* frame/field duration in ns */
int linedur_ns; /* line duration in ns */
int pixeldur_ns; /* pixel duration in ns */
bool enabled; /* so we don't call enable more than
once per disable */
};
@ -951,7 +954,6 @@ extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
unsigned int pipe, int *max_error,
struct timeval *vblank_time,
unsigned flags,
const struct drm_crtc *refcrtc,
const struct drm_display_mode *mode);
extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode);

6
include/drm/drm_crtc.h
View File

@ -413,9 +413,6 @@ struct drm_crtc_funcs {
* @funcs: CRTC control functions
* @gamma_size: size of gamma ramp
* @gamma_store: gamma ramp values
* @framedur_ns: precise frame timing
* @linedur_ns: precise line timing
* @pixeldur_ns: precise pixel timing
* @helper_private: mid-layer private data
* @properties: property tracking for this CRTC
* @state: current atomic state for this CRTC
@ -468,9 +465,6 @@ struct drm_crtc {
uint32_t gamma_size;
uint16_t *gamma_store;
/* Constants needed for precise vblank and swap timestamping. */
int framedur_ns, linedur_ns, pixeldur_ns;
/* if you are using the helper */
const void *helper_private;