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drm: Pass the display mode to drm_calc_timestamping_constants()

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We don't really use hwmode anymore in i915, so eliminating its use
from the core code seems prudent. Just pass the appropriate mode
to drm_calc_timestamping_constants().

Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2013-10-26 17:16:30 +03:00
parent cfd72a4c20
commit 545cdd5510
4 changed files with 14 additions and 11 deletions
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2
drivers/gpu/drm/drm_crtc_helper.c
View file

@ -536,7 +536,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
* are later needed by vblank and swap-completion
* timestamping. They are derived from true hwmode.
*/
drm_calc_timestamping_constants(crtc);
drm_calc_timestamping_constants(crtc, &crtc->hwmode);
/* FIXME: add subpixel order */
done:

17
drivers/gpu/drm/drm_irq.c
View file

@ -445,20 +445,22 @@ int drm_control(struct drm_device *dev, void *data,
* adjustments into account.
*
* @crtc drm_crtc whose timestamp constants should be updated.
* @mode display mode containing the scanout timings
*
*/
void drm_calc_timestamping_constants(struct drm_crtc *crtc)
void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode)
{
s64 linedur_ns = 0, pixeldur_ns = 0, framedur_ns = 0;
u64 dotclock;
/* Dot clock in Hz: */
dotclock = (u64) crtc->hwmode.clock * 1000;
dotclock = (u64) mode->clock * 1000;
/* Fields of interlaced scanout modes are only half a frame duration.
* Double the dotclock to get half the frame-/line-/pixelduration.
*/
if (crtc->hwmode.flags & DRM_MODE_FLAG_INTERLACE)
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
dotclock *= 2;
/* Valid dotclock? */
@ -469,10 +471,9 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc)
* nanoseconds:
*/
pixeldur_ns = (s64) div64_u64(1000000000, dotclock);
linedur_ns = (s64) div64_u64(((u64) crtc->hwmode.crtc_htotal *
linedur_ns = (s64) div64_u64(((u64) mode->crtc_htotal *
1000000000), dotclock);
frame_size = crtc->hwmode.crtc_htotal *
crtc->hwmode.crtc_vtotal;
frame_size = mode->crtc_htotal * mode->crtc_vtotal;
framedur_ns = (s64) div64_u64((u64) frame_size * 1000000000,
dotclock);
} else
@ -484,8 +485,8 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc)
crtc->framedur_ns = framedur_ns;
DRM_DEBUG("crtc %d: hwmode: htotal %d, vtotal %d, vdisplay %d\n",
crtc->base.id, crtc->hwmode.crtc_htotal,
crtc->hwmode.crtc_vtotal, crtc->hwmode.crtc_vdisplay);
crtc->base.id, mode->crtc_htotal,
mode->crtc_vtotal, mode->crtc_vdisplay);
DRM_DEBUG("crtc %d: clock %d kHz framedur %d linedur %d, pixeldur %d\n",
crtc->base.id, (int) dotclock/1000, (int) framedur_ns,
(int) linedur_ns, (int) pixeldur_ns);

3
drivers/gpu/drm/i915/intel_display.c
View file

@ -9693,7 +9693,8 @@ static int __intel_set_mode(struct drm_crtc *crtc,
* are later needed by vblank and swap-completion
* timestamping. They are derived from true hwmode.
*/
drm_calc_timestamping_constants(crtc);
drm_calc_timestamping_constants(crtc,
&pipe_config->adjusted_mode);
}
/* FIXME: add subpixel order */

3
include/drm/drmP.h
View file

@ -1402,7 +1402,8 @@ extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
struct timeval *vblank_time,
unsigned flags,
struct drm_crtc *refcrtc);
extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode);
extern bool
drm_mode_parse_command_line_for_connector(const char *mode_option,