diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_pps.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_pps.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index 05e1e5c7e8b7..327e0de86f1e 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -4,12 +4,16 @@ */ #include <linux/debugfs.h> +#include <linux/iopoll.h> + +#include <drm/drm_print.h> #include "g4x_dp.h" -#include "i915_drv.h" #include "i915_reg.h" +#include "i915_utils.h" #include "intel_de.h" #include "intel_display_power_well.h" +#include "intel_display_regs.h" #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dpio_phy.h" @@ -605,6 +609,8 @@ static void wait_panel_status(struct intel_dp *intel_dp, struct intel_display *display = to_intel_display(intel_dp); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); i915_reg_t pp_stat_reg, pp_ctrl_reg; + int ret; + u32 val; lockdep_assert_held(&display->pps.mutex); @@ -621,13 +627,18 @@ static void wait_panel_status(struct intel_dp *intel_dp, intel_de_read(display, pp_stat_reg), intel_de_read(display, pp_ctrl_reg)); - if (intel_de_wait(display, pp_stat_reg, mask, value, 5000)) + ret = poll_timeout_us(val = intel_de_read(display, pp_stat_reg), + (val & mask) == value, + 10 * 1000, 5000 * 1000, true); + if (ret) { drm_err(display->drm, "[ENCODER:%d:%s] %s panel status timeout: PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n", dig_port->base.base.base.id, dig_port->base.base.name, pps_name(intel_dp), intel_de_read(display, pp_stat_reg), intel_de_read(display, pp_ctrl_reg)); + return; + } drm_dbg_kms(display->drm, "Wait complete\n"); } @@ -891,7 +902,6 @@ static void edp_panel_vdd_work(struct work_struct *__work) static void edp_panel_vdd_schedule_off(struct intel_dp *intel_dp) { struct intel_display *display = to_intel_display(intel_dp); - struct drm_i915_private *i915 = to_i915(display->drm); unsigned long delay; /* @@ -907,7 +917,7 @@ static void edp_panel_vdd_schedule_off(struct intel_dp *intel_dp) * operations. */ delay = msecs_to_jiffies(intel_dp->pps.panel_power_cycle_delay * 5); - queue_delayed_work(i915->unordered_wq, + queue_delayed_work(display->wq.unordered, &intel_dp->pps.panel_vdd_work, delay); } |