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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/i915/display/intel_display.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.h677
1 files changed, 677 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 000000000..d10b7c8cd
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -0,0 +1,677 @@
+/*
+ * 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>
+
+enum link_m_n_set;
+struct dpll;
+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_error_state_buf;
+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_ggtt_view;
+struct intel_atomic_state;
+struct intel_crtc;
+struct intel_crtc_state;
+struct intel_crtc_state;
+struct intel_digital_port;
+struct intel_dp;
+struct intel_encoder;
+struct intel_load_detect_pipe;
+struct intel_plane;
+struct intel_plane_state;
+struct intel_remapped_info;
+struct intel_rotation_info;
+
+enum i915_gpio {
+ GPIOA,
+ GPIOB,
+ GPIOC,
+ GPIOD,
+ GPIOE,
+ GPIOF,
+ GPIOG,
+ GPIOH,
+ __GPIOI_UNUSED,
+ GPIOJ,
+ GPIOK,
+ GPIOL,
+ GPIOM,
+ GPION,
+ GPIOO,
+};
+
+/*
+ * Keep the pipe enum values fixed: the code assumes that PIPE_A=0, the
+ * rest have consecutive values and match the enum values of transcoders
+ * with a 1:1 transcoder -> pipe mapping.
+ */
+enum pipe {
+ INVALID_PIPE = -1,
+
+ PIPE_A = 0,
+ PIPE_B,
+ PIPE_C,
+ PIPE_D,
+ _PIPE_EDP,
+
+ I915_MAX_PIPES = _PIPE_EDP
+};
+
+#define pipe_name(p) ((p) + 'A')
+
+enum transcoder {
+ INVALID_TRANSCODER = -1,
+ /*
+ * The following transcoders have a 1:1 transcoder -> pipe mapping,
+ * keep their values fixed: the code assumes that TRANSCODER_A=0, the
+ * rest have consecutive values and match the enum values of the pipes
+ * they map to.
+ */
+ TRANSCODER_A = PIPE_A,
+ TRANSCODER_B = PIPE_B,
+ TRANSCODER_C = PIPE_C,
+ TRANSCODER_D = PIPE_D,
+
+ /*
+ * The following transcoders can map to any pipe, their enum value
+ * doesn't need to stay fixed.
+ */
+ TRANSCODER_EDP,
+ TRANSCODER_DSI_0,
+ TRANSCODER_DSI_1,
+ TRANSCODER_DSI_A = TRANSCODER_DSI_0, /* legacy DSI */
+ TRANSCODER_DSI_C = TRANSCODER_DSI_1, /* legacy DSI */
+
+ I915_MAX_TRANSCODERS
+};
+
+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) * RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
+
+/*
+ * Per-pipe plane identifier.
+ * I915_MAX_PLANES in the enum below is the maximum (across all platforms)
+ * number of planes per CRTC. Not all platforms really have this many planes,
+ * which means some arrays of size I915_MAX_PLANES may have unused entries
+ * between the topmost sprite plane and the cursor plane.
+ *
+ * This is expected to be passed to various register macros
+ * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care.
+ */
+enum plane_id {
+ PLANE_PRIMARY,
+ PLANE_SPRITE0,
+ PLANE_SPRITE1,
+ PLANE_SPRITE2,
+ PLANE_SPRITE3,
+ PLANE_SPRITE4,
+ PLANE_SPRITE5,
+ PLANE_CURSOR,
+
+ I915_MAX_PLANES,
+};
+
+#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_in_mask(__slice, __mask) \
+ for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \
+ for_each_if((BIT(__slice)) & (__mask))
+
+#define for_each_dbuf_slice(__slice) \
+ for_each_dbuf_slice_in_mask(__slice, BIT(I915_MAX_DBUF_SLICES) - 1)
+
+enum port {
+ PORT_NONE = -1,
+
+ PORT_A = 0,
+ PORT_B,
+ PORT_C,
+ PORT_D,
+ PORT_E,
+ PORT_F,
+ PORT_G,
+ PORT_H,
+ PORT_I,
+
+ I915_MAX_PORTS
+};
+
+#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 {
+ PORT_TC_NONE = -1,
+
+ PORT_TC1 = 0,
+ PORT_TC2,
+ PORT_TC3,
+ PORT_TC4,
+ PORT_TC5,
+ PORT_TC6,
+
+ I915_MAX_TC_PORTS
+};
+
+enum tc_port_mode {
+ TC_PORT_TBT_ALT,
+ TC_PORT_DP_ALT,
+ TC_PORT_LEGACY,
+};
+
+enum dpio_channel {
+ DPIO_CH0,
+ DPIO_CH1
+};
+
+enum dpio_phy {
+ DPIO_PHY0,
+ DPIO_PHY1,
+ DPIO_PHY2,
+};
+
+enum aux_ch {
+ 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,
+};
+
+#define aux_ch_name(a) ((a) + 'A')
+
+/* Used by dp and fdi links */
+struct intel_link_m_n {
+ u32 tu;
+ u32 gmch_m;
+ u32 gmch_n;
+ u32 link_m;
+ u32 link_n;
+};
+
+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_pipe(__dev_priv, __p) \
+ for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \
+ for_each_if(INTEL_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 (INTEL_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_universal_plane(__dev_priv, __pipe, __p) \
+ for ((__p) = 0; \
+ (__p) < RUNTIME_INFO(__dev_priv)->num_sprites[(__pipe)] + 1; \
+ (__p)++)
+
+#define for_each_sprite(__dev_priv, __p, __s) \
+ for ((__s) = 0; \
+ (__s) < 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_mask(dev, intel_crtc, crtc_mask) \
+ list_for_each_entry(intel_crtc, \
+ &(dev)->mode_config.crtc_list, \
+ base.head) \
+ for_each_if((crtc_mask) & drm_crtc_mask(&intel_crtc->base))
+
+#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_dp(dev, intel_encoder) \
+ for_each_intel_encoder(dev, intel_encoder) \
+ for_each_if(intel_encoder_is_dp(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_connector_on_encoder(dev, __encoder, intel_connector) \
+ list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
+ for_each_if((intel_connector)->base.encoder == (__encoder))
+
+#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_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))
+
+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 constant_n, bool fec_enable);
+bool is_ccs_modifier(u64 modifier);
+int intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
+void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv);
+u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
+ u32 pixel_format, u64 modifier);
+bool intel_plane_can_remap(const struct intel_plane_state *plane_state);
+enum drm_mode_status
+intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
+ 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);
+
+void intel_plane_destroy(struct drm_plane *plane);
+void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state);
+void intel_disable_pipe(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);
+enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc);
+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 lpt_pch_enable(const struct intel_crtc_state *crtc_state);
+void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv);
+void lpt_disable_iclkip(struct drm_i915_private *dev_priv);
+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);
+unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
+ int color_plane, unsigned int height);
+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);
+int intel_display_suspend(struct drm_device *dev);
+void intel_pps_unlock_regs_wa(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);
+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);
+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);
+u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc);
+void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state);
+void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state);
+
+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);
+int intel_get_load_detect_pipe(struct drm_connector *connector,
+ struct intel_load_detect_pipe *old,
+ struct drm_modeset_acquire_ctx *ctx);
+void intel_release_load_detect_pipe(struct drm_connector *connector,
+ struct intel_load_detect_pipe *old,
+ struct drm_modeset_acquire_ctx *ctx);
+struct i915_vma *
+intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
+ const struct i915_ggtt_view *view,
+ bool uses_fence,
+ unsigned long *out_flags);
+void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags);
+struct drm_framebuffer *
+intel_framebuffer_create(struct drm_i915_gem_object *obj,
+ struct drm_mode_fb_cmd2 *mode_cmd);
+int intel_prepare_plane_fb(struct drm_plane *plane,
+ struct drm_plane_state *new_state);
+void intel_cleanup_plane_fb(struct drm_plane *plane,
+ struct drm_plane_state *old_state);
+
+void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
+ enum pipe pipe);
+
+int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
+ const struct dpll *dpll);
+void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
+int lpt_get_iclkip(struct drm_i915_private *dev_priv);
+bool intel_fuzzy_clock_check(int clock1, int clock2);
+
+void intel_prepare_reset(struct drm_i915_private *dev_priv);
+void intel_finish_reset(struct drm_i915_private *dev_priv);
+void intel_dp_get_m_n(struct intel_crtc *crtc,
+ struct intel_crtc_state *pipe_config);
+void intel_dp_set_m_n(const struct intel_crtc_state *crtc_state,
+ enum link_m_n_set m_n);
+int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
+bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state,
+ struct dpll *best_clock);
+int chv_calc_dpll_params(int refclk, struct dpll *pll_clock);
+
+bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);
+void hsw_enable_ips(const struct intel_crtc_state *crtc_state);
+void hsw_disable_ips(const struct intel_crtc_state *crtc_state);
+enum intel_display_power_domain intel_port_to_power_domain(enum port port);
+enum intel_display_power_domain
+intel_aux_power_domain(struct intel_digital_port *dig_port);
+enum intel_display_power_domain
+intel_legacy_aux_to_power_domain(enum aux_ch aux_ch);
+void intel_mode_from_pipe_config(struct drm_display_mode *mode,
+ struct intel_crtc_state *pipe_config);
+void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state);
+
+u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_center);
+void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state);
+void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
+u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
+ const struct intel_plane_state *plane_state);
+u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state);
+u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
+ const struct intel_plane_state *plane_state);
+u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state);
+u32 skl_plane_stride(const struct intel_plane_state *plane_state,
+ int plane);
+int skl_check_plane_surface(struct intel_plane_state *plane_state);
+int i9xx_check_plane_surface(struct intel_plane_state *plane_state);
+int skl_format_to_fourcc(int format, bool rgb_order, bool alpha);
+unsigned int i9xx_plane_max_stride(struct intel_plane *plane,
+ u32 pixel_format, u64 modifier,
+ unsigned int rotation);
+int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
+unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
+
+struct intel_display_error_state *
+intel_display_capture_error_state(struct drm_i915_private *dev_priv);
+void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
+ struct intel_display_error_state *error);
+
+bool
+intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
+ uint64_t modifier);
+
+/* modesetting */
+void intel_modeset_init_hw(struct drm_i915_private *i915);
+int intel_modeset_init_noirq(struct drm_i915_private *i915);
+int intel_modeset_init_nogem(struct drm_i915_private *i915);
+int intel_modeset_init(struct drm_i915_private *i915);
+void intel_modeset_driver_remove(struct drm_i915_private *i915);
+void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915);
+void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915);
+void intel_display_resume(struct drm_device *dev);
+void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
+
+/* modesetting asserts */
+void assert_panel_unlocked(struct drm_i915_private *dev_priv,
+ enum pipe pipe);
+void assert_pll(struct drm_i915_private *dev_priv,
+ enum pipe pipe, bool state);
+#define assert_pll_enabled(d, p) assert_pll(d, p, true)
+#define assert_pll_disabled(d, p) assert_pll(d, p, false)
+void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state);
+#define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true)
+#define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false)
+void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
+ enum pipe pipe, bool state);
+#define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
+#define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
+void assert_pipe(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder, bool state);
+#define assert_pipe_enabled(d, t) assert_pipe(d, t, true)
+#define assert_pipe_disabled(d, t) assert_pipe(d, t, false)
+
+/* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (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_checks moduleparam, to
+ * enable distros and users to tailor their preferred amount of i915 abrt
+ * spam.
+ */
+#define I915_STATE_WARN(condition, format...) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) \
+ if (!WARN(i915_modparams.verbose_state_checks, format)) \
+ DRM_ERROR(format); \
+ unlikely(__ret_warn_on); \
+})
+
+#define I915_STATE_WARN_ON(x) \
+ I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")")
+
+#endif