diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.h | 565 |
1 files changed, 565 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h new file mode 100644 index 0000000000..13b0904d42 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -0,0 +1,565 @@ +/* + * Copyright © 2006-2019 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#ifndef _INTEL_DISPLAY_H_ +#define _INTEL_DISPLAY_H_ + +#include <drm/drm_util.h> + +#include "i915_reg_defs.h" +#include "intel_display_limits.h" + +enum drm_scaling_filter; +struct dpll; +struct drm_atomic_state; +struct drm_connector; +struct drm_device; +struct drm_display_mode; +struct drm_encoder; +struct drm_file; +struct drm_format_info; +struct drm_framebuffer; +struct drm_i915_gem_object; +struct drm_i915_private; +struct drm_mode_fb_cmd2; +struct drm_modeset_acquire_ctx; +struct drm_plane; +struct drm_plane_state; +struct i915_address_space; +struct i915_gtt_view; +struct intel_atomic_state; +struct intel_crtc; +struct intel_crtc_state; +struct intel_digital_port; +struct intel_dp; +struct intel_encoder; +struct intel_initial_plane_config; +struct intel_link_m_n; +struct intel_plane; +struct intel_plane_state; +struct intel_power_domain_mask; +struct intel_remapped_info; +struct intel_rotation_info; +struct pci_dev; +struct work_struct; + + +#define pipe_name(p) ((p) + 'A') + +static inline const char *transcoder_name(enum transcoder transcoder) +{ + switch (transcoder) { + case TRANSCODER_A: + return "A"; + case TRANSCODER_B: + return "B"; + case TRANSCODER_C: + return "C"; + case TRANSCODER_D: + return "D"; + case TRANSCODER_EDP: + return "EDP"; + case TRANSCODER_DSI_A: + return "DSI A"; + case TRANSCODER_DSI_C: + return "DSI C"; + default: + return "<invalid>"; + } +} + +static inline bool transcoder_is_dsi(enum transcoder transcoder) +{ + return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C; +} + +/* + * Global legacy plane identifier. Valid only for primary/sprite + * planes on pre-g4x, and only for primary planes on g4x-bdw. + */ +enum i9xx_plane_id { + PLANE_A, + PLANE_B, + PLANE_C, +}; + +#define plane_name(p) ((p) + 'A') +#define sprite_name(p, s) ((p) * DISPLAY_RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A') + +#define for_each_plane_id_on_crtc(__crtc, __p) \ + for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \ + for_each_if((__crtc)->plane_ids_mask & BIT(__p)) + +#define for_each_dbuf_slice(__dev_priv, __slice) \ + for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \ + for_each_if(DISPLAY_INFO(__dev_priv)->dbuf.slice_mask & BIT(__slice)) + +#define for_each_dbuf_slice_in_mask(__dev_priv, __slice, __mask) \ + for_each_dbuf_slice((__dev_priv), (__slice)) \ + for_each_if((__mask) & BIT(__slice)) + +#define port_name(p) ((p) + 'A') + +/* + * Ports identifier referenced from other drivers. + * Expected to remain stable over time + */ +static inline const char *port_identifier(enum port port) +{ + switch (port) { + case PORT_A: + return "Port A"; + case PORT_B: + return "Port B"; + case PORT_C: + return "Port C"; + case PORT_D: + return "Port D"; + case PORT_E: + return "Port E"; + case PORT_F: + return "Port F"; + case PORT_G: + return "Port G"; + case PORT_H: + return "Port H"; + case PORT_I: + return "Port I"; + default: + return "<invalid>"; + } +} + +enum tc_port { + TC_PORT_NONE = -1, + + TC_PORT_1 = 0, + TC_PORT_2, + TC_PORT_3, + TC_PORT_4, + TC_PORT_5, + TC_PORT_6, + + I915_MAX_TC_PORTS +}; + +enum aux_ch { + AUX_CH_NONE = -1, + + AUX_CH_A, + AUX_CH_B, + AUX_CH_C, + AUX_CH_D, + AUX_CH_E, /* ICL+ */ + AUX_CH_F, + AUX_CH_G, + AUX_CH_H, + AUX_CH_I, + + /* tgl+ */ + AUX_CH_USBC1 = AUX_CH_D, + AUX_CH_USBC2, + AUX_CH_USBC3, + AUX_CH_USBC4, + AUX_CH_USBC5, + AUX_CH_USBC6, + + /* XE_LPD repositions D/E offsets and bitfields */ + AUX_CH_D_XELPD = AUX_CH_USBC5, + AUX_CH_E_XELPD, +}; + +#define aux_ch_name(a) ((a) + 'A') + +enum phy { + PHY_NONE = -1, + + PHY_A = 0, + PHY_B, + PHY_C, + PHY_D, + PHY_E, + PHY_F, + PHY_G, + PHY_H, + PHY_I, + + I915_MAX_PHYS +}; + +#define phy_name(a) ((a) + 'A') + +enum phy_fia { + FIA1, + FIA2, + FIA3, +}; + +#define for_each_hpd_pin(__pin) \ + for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++) + +#define for_each_pipe(__dev_priv, __p) \ + for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \ + for_each_if(DISPLAY_RUNTIME_INFO(__dev_priv)->pipe_mask & BIT(__p)) + +#define for_each_pipe_masked(__dev_priv, __p, __mask) \ + for_each_pipe(__dev_priv, __p) \ + for_each_if((__mask) & BIT(__p)) + +#define for_each_cpu_transcoder(__dev_priv, __t) \ + for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++) \ + for_each_if (DISPLAY_RUNTIME_INFO(__dev_priv)->cpu_transcoder_mask & BIT(__t)) + +#define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \ + for_each_cpu_transcoder(__dev_priv, __t) \ + for_each_if ((__mask) & BIT(__t)) + +#define for_each_sprite(__dev_priv, __p, __s) \ + for ((__s) = 0; \ + (__s) < DISPLAY_RUNTIME_INFO(__dev_priv)->num_sprites[(__p)]; \ + (__s)++) + +#define for_each_port(__port) \ + for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) + +#define for_each_port_masked(__port, __ports_mask) \ + for_each_port(__port) \ + for_each_if((__ports_mask) & BIT(__port)) + +#define for_each_phy_masked(__phy, __phys_mask) \ + for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++) \ + for_each_if((__phys_mask) & BIT(__phy)) + +#define for_each_crtc(dev, crtc) \ + list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) + +#define for_each_intel_plane(dev, intel_plane) \ + list_for_each_entry(intel_plane, \ + &(dev)->mode_config.plane_list, \ + base.head) + +#define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \ + list_for_each_entry(intel_plane, \ + &(dev)->mode_config.plane_list, \ + base.head) \ + for_each_if((plane_mask) & \ + drm_plane_mask(&intel_plane->base)) + +#define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \ + list_for_each_entry(intel_plane, \ + &(dev)->mode_config.plane_list, \ + base.head) \ + for_each_if((intel_plane)->pipe == (intel_crtc)->pipe) + +#define for_each_intel_crtc(dev, intel_crtc) \ + list_for_each_entry(intel_crtc, \ + &(dev)->mode_config.crtc_list, \ + base.head) + +#define for_each_intel_crtc_in_pipe_mask(dev, intel_crtc, pipe_mask) \ + list_for_each_entry(intel_crtc, \ + &(dev)->mode_config.crtc_list, \ + base.head) \ + for_each_if((pipe_mask) & BIT(intel_crtc->pipe)) + +#define for_each_intel_encoder(dev, intel_encoder) \ + list_for_each_entry(intel_encoder, \ + &(dev)->mode_config.encoder_list, \ + base.head) + +#define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask) \ + list_for_each_entry(intel_encoder, \ + &(dev)->mode_config.encoder_list, \ + base.head) \ + for_each_if((encoder_mask) & \ + drm_encoder_mask(&intel_encoder->base)) + +#define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \ + list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ + for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \ + intel_encoder_can_psr(intel_encoder)) + +#define for_each_intel_dp(dev, intel_encoder) \ + for_each_intel_encoder(dev, intel_encoder) \ + for_each_if(intel_encoder_is_dp(intel_encoder)) + +#define for_each_intel_encoder_with_psr(dev, intel_encoder) \ + for_each_intel_encoder((dev), (intel_encoder)) \ + for_each_if(intel_encoder_can_psr(intel_encoder)) + +#define for_each_intel_connector_iter(intel_connector, iter) \ + while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter)))) + +#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \ + list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ + for_each_if((intel_encoder)->base.crtc == (__crtc)) + +#define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_total_plane && \ + ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ + (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \ + (__i)++) \ + for_each_if(plane) + +#define for_each_old_intel_crtc_in_state(__state, crtc, old_crtc_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_crtc && \ + ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ + (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), 1); \ + (__i)++) \ + for_each_if(crtc) + +#define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_total_plane && \ + ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ + (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ + (__i)++) \ + for_each_if(plane) + +#define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_crtc && \ + ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ + (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ + (__i)++) \ + for_each_if(crtc) + +#define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_total_plane && \ + ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ + (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \ + (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ + (__i)++) \ + for_each_if(plane) + +#define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.dev->mode_config.num_crtc && \ + ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ + (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ + (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ + (__i)++) \ + for_each_if(crtc) + +#define for_each_oldnew_intel_crtc_in_state_reverse(__state, crtc, old_crtc_state, new_crtc_state, __i) \ + for ((__i) = (__state)->base.dev->mode_config.num_crtc - 1; \ + (__i) >= 0 && \ + ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ + (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ + (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ + (__i)--) \ + for_each_if(crtc) + +#define intel_atomic_crtc_state_for_each_plane_state( \ + plane, plane_state, \ + crtc_state) \ + for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \ + ((crtc_state)->uapi.plane_mask)) \ + for_each_if ((plane_state = \ + to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base)))) + +#define for_each_new_intel_connector_in_state(__state, connector, new_connector_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->base.num_connector; \ + (__i)++) \ + for_each_if ((__state)->base.connectors[__i].ptr && \ + ((connector) = to_intel_connector((__state)->base.connectors[__i].ptr), \ + (new_connector_state) = to_intel_digital_connector_state((__state)->base.connectors[__i].new_state), 1)) + +int intel_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); +int intel_atomic_add_affected_planes(struct intel_atomic_state *state, + struct intel_crtc *crtc); +u8 intel_calc_active_pipes(struct intel_atomic_state *state, + u8 active_pipes); +void intel_link_compute_m_n(u16 bpp, int nlanes, + int pixel_clock, int link_clock, + struct intel_link_m_n *m_n, + bool fec_enable); +u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, + u32 pixel_format, u64 modifier); +enum drm_mode_status +intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv, + const struct drm_display_mode *mode, + bool bigjoiner); +enum drm_mode_status +intel_cpu_transcoder_mode_valid(struct drm_i915_private *i915, + const struct drm_display_mode *mode); +enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port); +bool is_trans_port_sync_mode(const struct intel_crtc_state *state); +bool is_trans_port_sync_master(const struct intel_crtc_state *state); +bool intel_crtc_is_bigjoiner_slave(const struct intel_crtc_state *crtc_state); +bool intel_crtc_is_bigjoiner_master(const struct intel_crtc_state *crtc_state); +u8 intel_crtc_bigjoiner_slave_pipes(const struct intel_crtc_state *crtc_state); +struct intel_crtc *intel_master_crtc(const struct intel_crtc_state *crtc_state); +bool intel_crtc_get_pipe_config(struct intel_crtc_state *crtc_state); +bool intel_pipe_config_compare(const struct intel_crtc_state *current_config, + const struct intel_crtc_state *pipe_config, + bool fastset); + +void intel_plane_destroy(struct drm_plane *plane); +void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state); +void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state); +void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state); +void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state); +void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); +void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); +int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); +int vlv_get_cck_clock(struct drm_i915_private *dev_priv, + const char *name, u32 reg, int ref_freq); +int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, + const char *name, u32 reg); +void intel_init_display_hooks(struct drm_i915_private *dev_priv); +unsigned int intel_fb_xy_to_linear(int x, int y, + const struct intel_plane_state *state, + int plane); +void intel_add_fb_offsets(int *x, int *y, + const struct intel_plane_state *state, int plane); +unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); +unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info); +bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv); +void intel_encoder_destroy(struct drm_encoder *encoder); +struct drm_display_mode * +intel_encoder_current_mode(struct intel_encoder *encoder); +void intel_encoder_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state); +bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy); +bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy); +bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy); +enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, + enum port port); +int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +int ilk_get_lanes_required(int target_clock, int link_bw, int bpp); +void vlv_wait_port_ready(struct drm_i915_private *dev_priv, + struct intel_digital_port *dig_port, + unsigned int expected_mask); +struct drm_framebuffer * +intel_framebuffer_create(struct drm_i915_gem_object *obj, + struct drm_mode_fb_cmd2 *mode_cmd); + +bool intel_fuzzy_clock_check(int clock1, int clock2); + +void intel_zero_m_n(struct intel_link_m_n *m_n); +void intel_set_m_n(struct drm_i915_private *i915, + const struct intel_link_m_n *m_n, + i915_reg_t data_m_reg, i915_reg_t data_n_reg, + i915_reg_t link_m_reg, i915_reg_t link_n_reg); +void intel_get_m_n(struct drm_i915_private *i915, + struct intel_link_m_n *m_n, + i915_reg_t data_m_reg, i915_reg_t data_n_reg, + i915_reg_t link_m_reg, i915_reg_t link_n_reg); +bool intel_cpu_transcoder_has_m2_n2(struct drm_i915_private *dev_priv, + enum transcoder transcoder); +void intel_cpu_transcoder_set_m1_n1(struct intel_crtc *crtc, + enum transcoder cpu_transcoder, + const struct intel_link_m_n *m_n); +void intel_cpu_transcoder_set_m2_n2(struct intel_crtc *crtc, + enum transcoder cpu_transcoder, + const struct intel_link_m_n *m_n); +void intel_cpu_transcoder_get_m1_n1(struct intel_crtc *crtc, + enum transcoder cpu_transcoder, + struct intel_link_m_n *m_n); +void intel_cpu_transcoder_get_m2_n2(struct intel_crtc *crtc, + enum transcoder cpu_transcoder, + struct intel_link_m_n *m_n); +void i9xx_crtc_clock_get(struct intel_crtc *crtc, + struct intel_crtc_state *pipe_config); +int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); +int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config); +enum intel_display_power_domain intel_port_to_power_domain(struct intel_digital_port *dig_port); +enum intel_display_power_domain +intel_aux_power_domain(struct intel_digital_port *dig_port); +void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc, + struct intel_crtc_state *crtc_state); +void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state); + +int bdw_get_pipe_misc_bpp(struct intel_crtc *crtc); +unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state); + +bool intel_plane_uses_fence(const struct intel_plane_state *plane_state); + +struct intel_encoder * +intel_get_crtc_new_encoder(const struct intel_atomic_state *state, + const struct intel_crtc_state *crtc_state); +void intel_plane_disable_noatomic(struct intel_crtc *crtc, + struct intel_plane *plane); +void intel_set_plane_visible(struct intel_crtc_state *crtc_state, + struct intel_plane_state *plane_state, + bool visible); +void intel_plane_fixup_bitmasks(struct intel_crtc_state *crtc_state); + +void intel_update_watermarks(struct drm_i915_private *i915); + +/* modesetting */ +int intel_modeset_all_pipes(struct intel_atomic_state *state, + const char *reason); +void intel_modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state, + struct intel_power_domain_mask *old_domains); +void intel_modeset_put_crtc_power_domains(struct intel_crtc *crtc, + struct intel_power_domain_mask *domains); + +/* interface for intel_display_driver.c */ +void intel_setup_outputs(struct drm_i915_private *i915); +int intel_initial_commit(struct drm_device *dev); +void intel_panel_sanitize_ssc(struct drm_i915_private *i915); +void intel_update_czclk(struct drm_i915_private *i915); +void intel_atomic_helper_free_state_worker(struct work_struct *work); +enum drm_mode_status intel_mode_valid(struct drm_device *dev, + const struct drm_display_mode *mode); +int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *_state, + bool nonblock); + +void intel_hpd_poll_fini(struct drm_i915_private *i915); + +/* modesetting asserts */ +void assert_transcoder(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder, bool state); +#define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true) +#define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false) + +bool assert_port_valid(struct drm_i915_private *i915, enum port port); + +/* + * Use I915_STATE_WARN(x) (rather than WARN() and WARN_ON()) for hw state sanity + * checks to check for unexpected conditions which may not necessarily be a user + * visible problem. This will either WARN() or DRM_ERROR() depending on the + * verbose_state_checks module param, to enable distros and users to tailor + * their preferred amount of i915 abrt spam. + */ +#define I915_STATE_WARN(__i915, condition, format...) ({ \ + struct drm_device *drm = &(__i915)->drm; \ + int __ret_warn_on = !!(condition); \ + if (unlikely(__ret_warn_on)) \ + if (!drm_WARN(drm, i915_modparams.verbose_state_checks, format)) \ + drm_err(drm, format); \ + unlikely(__ret_warn_on); \ +}) + +bool intel_scanout_needs_vtd_wa(struct drm_i915_private *i915); + +#endif |