We're changing the driver to have no interrupts during early init for Xe, so we poll the PIPE_FRMSTMSMP counter instead.
Signed-off-by: Maarten Lankhorst <[email protected]> --- drivers/gpu/drm/i915/display/intel_display.c | 6 +++--- .../drm/i915/display/intel_plane_initial.c | 7 ++++++- .../drm/i915/display/intel_plane_initial.h | 2 ++ drivers/gpu/drm/xe/display/xe_plane_initial.c | 19 ++++++++++++++++++- 4 files changed, 29 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 28c1b372cc954..079d1631c7893 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -796,7 +796,7 @@ void intel_plane_disable_noatomic(struct intel_crtc *crtc, if ((crtc_state->active_planes & ~BIT(PLANE_CURSOR)) == 0 && hsw_ips_disable(crtc_state)) { crtc_state->ips_enabled = false; - intel_crtc_wait_for_next_vblank(crtc); + intel_plane_initial_vblank_wait(crtc); } /* @@ -810,7 +810,7 @@ void intel_plane_disable_noatomic(struct intel_crtc *crtc, */ if (HAS_GMCH(dev_priv) && intel_set_memory_cxsr(dev_priv, false)) - intel_crtc_wait_for_next_vblank(crtc); + intel_plane_initial_vblank_wait(crtc); /* * Gen2 reports pipe underruns whenever all planes are disabled. @@ -820,7 +820,7 @@ void intel_plane_disable_noatomic(struct intel_crtc *crtc, intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, false); intel_plane_disable_arm(NULL, plane, crtc_state); - intel_crtc_wait_for_next_vblank(crtc); + intel_plane_initial_vblank_wait(crtc); } unsigned int diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c b/drivers/gpu/drm/i915/display/intel_plane_initial.c index 6789b7f140952..b1675b46e06cb 100644 --- a/drivers/gpu/drm/i915/display/intel_plane_initial.c +++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c @@ -14,6 +14,11 @@ #include "intel_frontbuffer.h" #include "intel_plane_initial.h" +void intel_plane_initial_vblank_wait(struct intel_crtc *crtc) +{ + intel_crtc_wait_for_next_vblank(crtc); +} + static bool intel_reuse_initial_plane_obj(struct intel_crtc *this, const struct intel_initial_plane_config plane_configs[], @@ -442,7 +447,7 @@ void intel_initial_plane_config(struct intel_display *display) intel_find_initial_plane_obj(crtc, plane_configs); if (display->funcs.display->fixup_initial_plane_config(crtc, plane_config)) - intel_crtc_wait_for_next_vblank(crtc); + intel_plane_initial_vblank_wait(crtc); plane_config_fini(plane_config); } diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.h b/drivers/gpu/drm/i915/display/intel_plane_initial.h index 6c6aa717ed21f..5c315acda2101 100644 --- a/drivers/gpu/drm/i915/display/intel_plane_initial.h +++ b/drivers/gpu/drm/i915/display/intel_plane_initial.h @@ -6,8 +6,10 @@ #ifndef __INTEL_PLANE_INITIAL_H__ #define __INTEL_PLANE_INITIAL_H__ +struct intel_crtc; struct intel_display; void intel_initial_plane_config(struct intel_display *display); +void intel_plane_initial_vblank_wait(struct intel_crtc *crtc); #endif diff --git a/drivers/gpu/drm/xe/display/xe_plane_initial.c b/drivers/gpu/drm/xe/display/xe_plane_initial.c index 2eb9633f163a7..a22e7adfb09d9 100644 --- a/drivers/gpu/drm/xe/display/xe_plane_initial.c +++ b/drivers/gpu/drm/xe/display/xe_plane_initial.c @@ -8,7 +8,9 @@ #include "regs/xe_gtt_defs.h" #include "xe_ggtt.h" +#include "xe_mmio.h" +#include "i915_reg.h" #include "intel_atomic_plane.h" #include "intel_crtc.h" #include "intel_display.h" @@ -22,6 +24,21 @@ #include <generated/xe_wa_oob.h> +void intel_plane_initial_vblank_wait(struct intel_crtc *crtc) +{ + /* Early xe has no irq */ + struct xe_device *xe = to_xe_device(crtc->base.dev); + struct xe_reg pipe_frmtmstmp = XE_REG(i915_mmio_reg_offset(PIPE_FRMTMSTMP(crtc->pipe))); + u32 timestamp; + int ret; + + timestamp = xe_mmio_read32(xe_root_tile_mmio(xe), pipe_frmtmstmp); + + ret = xe_mmio_wait32_not(xe_root_tile_mmio(xe), pipe_frmtmstmp, ~0U, timestamp, 40000U, ×tamp, false); + if (ret < 0) + drm_warn(&xe->drm, "waiting for early vblank failed with %i\n", ret); +} + static bool intel_reuse_initial_plane_obj(struct intel_crtc *this, const struct intel_initial_plane_config plane_configs[], @@ -303,7 +320,7 @@ void intel_initial_plane_config(struct intel_display *display) intel_find_initial_plane_obj(crtc, plane_configs); if (display->funcs.display->fixup_initial_plane_config(crtc, plane_config)) - intel_crtc_wait_for_next_vblank(crtc); + intel_plane_initial_vblank_wait(crtc); plane_config_fini(plane_config); } -- 2.45.2
