So I took another look at the vblank timestamping code, and got a bit
excited. The result is this patchset.
Summary of changes:
- kill crtc->hwmode dependency
- eliminate a bunch of 64bit math
- fix timestamps for stereo and interlaced modes (on i915 at least)
- move the "early vbl irq" hack into radeon code
- add a similar hack to i915, but make it as finely targeted
as possibly to minimize the chance of accidentally
applying it in the wrong place
The s/clock/crtc_clock change could use some radeon people to verify
whether changing radeon_atom_get_tv_timings() is enough to make
crtc_clock always populated.
This series applies on top of Mario's
"Vblank timestamping improvements/fixes for Linux drm." series.
Ville Syrjälä (14):
drm: Pass the display mode to drm_calc_timestamping_constants()
drm: Pass the display mode to drm_calc_vbltimestamp_from_scanoutpos()
drm/i915: Kill hwmode save/restore
drm/i915: Call drm_calc_timestamping_constants() earlier
drm: Improve drm_calc_timestamping_constants() documentation
drm: Simplify the math in drm_calc_timestamping_constants()
drm/radeon: Populate crtc_clock in radeon_atom_get_tv_timings()
drm: Use crtc_clock in drm_calc_timestamping_constants()
drm: Change {pixel,line,frame}dur_ns from s64 to int
drm/i915: Fix scanoutpos calculations for interlaced modes
drm: Fix vblank timestamping constants for interlaced modes
drm: Pass 'flags' from the caller to .get_scanout_position()
drm/radeon: Move the early vblank IRQ fixup to radeon_get_crtc_scanoutpos()
drm/i915: Add a kludge for DSL incrementing too late and ISR not working
drivers/gpu/drm/drm_crtc_helper.c | 2 +-
drivers/gpu/drm/drm_irq.c | 109 ++++++++++++-------------------
drivers/gpu/drm/i915/i915_irq.c | 91 ++++++++++++++------------
drivers/gpu/drm/i915/intel_display.c | 29 ++++----
drivers/gpu/drm/radeon/radeon_atombios.c | 6 +-
drivers/gpu/drm/radeon/radeon_display.c | 29 +++++++-
drivers/gpu/drm/radeon/radeon_kms.c | 2 +-
drivers/gpu/drm/radeon/radeon_mode.h | 1 +
drivers/gpu/drm/radeon/radeon_pm.c | 2 +-
include/drm/drmP.h | 8 ++-
include/drm/drm_crtc.h | 2 +-
11 files changed, 143 insertions(+), 138 deletions(-)
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