Move all the static functions intel_joiner* to the new file
intel_joiner.c.
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/display/intel_display.c | 234 +------------------
drivers/gpu/drm/i915/display/intel_display.h | 5 +
drivers/gpu/drm/i915/display/intel_joiner.c | 233 ++++++++++++++++++
drivers/gpu/drm/i915/display/intel_joiner.h | 32 +++
drivers/gpu/drm/xe/Makefile | 1 +
6 files changed, 278 insertions(+), 228 deletions(-)
create mode 100644 drivers/gpu/drm/i915/display/intel_joiner.c
create mode 100644 drivers/gpu/drm/i915/display/intel_joiner.h
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index e55ce8ba123c..c337385bbe7d 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -333,6 +333,7 @@ i915-y += \
display/intel_encoder.o \
display/intel_gmbus.o \
display/intel_hdmi.o \
+ display/intel_joiner.o \
display/intel_lspcon.o \
display/intel_lvds.o \
display/intel_panel.o \
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index ad72691b47b2..9af3ea6c7642 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -97,6 +97,7 @@
#include "intel_frontbuffer.h"
#include "intel_hdmi.h"
#include "intel_hotplug.h"
+#include "intel_joiner.h"
#include "intel_link_bw.h"
#include "intel_lvds.h"
#include "intel_lvds_regs.h"
@@ -249,11 +250,6 @@ is_trans_port_sync_mode(const struct intel_crtc_state *crtc_state)
is_trans_port_sync_slave(crtc_state);
}
-static enum pipe intel_joiner_get_primary_pipe(const struct intel_crtc_state *crtc_state)
-{
- return ffs(crtc_state->joiner_pipes) - 1;
-}
-
u8 intel_crtc_joiner_secondary_pipes(const struct intel_crtc_state *crtc_state)
{
if (crtc_state->joiner_pipes)
@@ -278,11 +274,6 @@ bool intel_crtc_is_joiner_primary(const struct intel_crtc_state *crtc_state)
crtc->pipe == intel_joiner_get_primary_pipe(crtc_state);
}
-static int intel_joiner_get_num_pipes(const struct intel_crtc_state *crtc_state)
-{
- return hweight8(crtc_state->joiner_pipes);
-}
-
u8 intel_crtc_joined_pipe_mask(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -2341,23 +2332,6 @@ static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state)
ilk_pipe_pixel_rate(crtc_state);
}
-static void intel_joiner_adjust_timings(const struct intel_crtc_state *crtc_state,
- struct drm_display_mode *mode)
-{
- int num_pipes = intel_joiner_get_num_pipes(crtc_state);
-
- if (num_pipes < 2)
- return;
-
- mode->crtc_clock /= num_pipes;
- mode->crtc_hdisplay /= num_pipes;
- mode->crtc_hblank_start /= num_pipes;
- mode->crtc_hblank_end /= num_pipes;
- mode->crtc_hsync_start /= num_pipes;
- mode->crtc_hsync_end /= num_pipes;
- mode->crtc_htotal /= num_pipes;
-}
-
static void intel_splitter_adjust_timings(const struct intel_crtc_state *crtc_state,
struct drm_display_mode *mode)
{
@@ -2426,21 +2400,6 @@ void intel_encoder_get_config(struct intel_encoder *encoder,
intel_crtc_readout_derived_state(crtc_state);
}
-static void intel_joiner_compute_pipe_src(struct intel_crtc_state *crtc_state)
-{
- int num_pipes = intel_joiner_get_num_pipes(crtc_state);
- int width, height;
-
- if (num_pipes < 2)
- return;
-
- width = drm_rect_width(&crtc_state->pipe_src);
- height = drm_rect_height(&crtc_state->pipe_src);
-
- drm_rect_init(&crtc_state->pipe_src, 0, 0,
- width / num_pipes, height);
-}
-
static int intel_crtc_compute_pipe_src(struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -2885,23 +2844,6 @@ static void intel_get_transcoder_timings(struct intel_crtc *crtc,
TRANS_SET_CONTEXT_LATENCY(dev_priv, cpu_transcoder));
}
-static void intel_joiner_adjust_pipe_src(struct intel_crtc_state *crtc_state)
-{
- struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- int num_pipes = intel_joiner_get_num_pipes(crtc_state);
- enum pipe primary_pipe, pipe = crtc->pipe;
- int width;
-
- if (num_pipes < 2)
- return;
-
- primary_pipe = intel_joiner_get_primary_pipe(crtc_state);
- width = drm_rect_width(&crtc_state->pipe_src);
-
- drm_rect_translate_to(&crtc_state->pipe_src,
- (pipe - primary_pipe) * width, 0);
-}
-
static void intel_get_pipe_src_size(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config)
{
@@ -3505,20 +3447,6 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
return ret;
}
-static u8 intel_joiner_supported_pipes(struct drm_i915_private *i915)
-{
- u8 pipes;
-
- if (DISPLAY_VER(i915) >= 12)
- pipes = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D);
- else if (DISPLAY_VER(i915) >= 11)
- pipes = BIT(PIPE_B) | BIT(PIPE_C);
- else
- pipes = 0;
-
- return pipes & DISPLAY_RUNTIME_INFO(i915)->pipe_mask;
-}
-
static bool transcoder_ddi_func_is_enabled(struct drm_i915_private *dev_priv,
enum transcoder cpu_transcoder)
{
@@ -3535,66 +3463,6 @@ static bool transcoder_ddi_func_is_enabled(struct drm_i915_private *dev_priv,
return tmp & TRANS_DDI_FUNC_ENABLE;
}
-static void intel_joiner_enabled_pipes(struct drm_i915_private *dev_priv,
- u8 *primary_pipes, u8 *secondary_pipes)
-{
- struct intel_crtc *crtc;
-
- *primary_pipes = 0;
- *secondary_pipes = 0;
-
- for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc,
- intel_joiner_supported_pipes(dev_priv)) {
- intel_dss_get_compressed_joiner_pipes(crtc,
- primary_pipes,
- secondary_pipes);
-
- intel_dss_get_uncompressed_joiner_pipes(crtc,
- primary_pipes,
- secondary_pipes);
- }
-
- /* Joiner pipes should always be consecutive primary and secondary */
- drm_WARN(&dev_priv->drm, *secondary_pipes != *primary_pipes << 1,
- "Joiner misconfigured (primary pipes 0x%x, secondary pipes 0x%x)\n",
- *primary_pipes, *secondary_pipes);
-}
-
-static enum pipe intel_joiner_find_primary_pipe(enum pipe pipe,
- u8 primary_pipes,
- u8 secondary_pipes)
-{
- if ((secondary_pipes & BIT(pipe)) == 0)
- return pipe;
-
- /* ignore everything above our pipe */
- primary_pipes &= ~GENMASK(7, pipe);
-
- /* highest remaining bit should be our primary pipe */
- return fls(primary_pipes) - 1;
-}
-
-static u8 intel_joiner_find_secondary_pipes(enum pipe pipe,
- u8 primary_pipes,
- u8 secondary_pipes)
-{
- enum pipe primary_pipe, next_primary_pipe;
-
- primary_pipe = intel_joiner_find_primary_pipe(pipe, primary_pipes, secondary_pipes);
-
- if ((primary_pipes & BIT(primary_pipe)) == 0)
- return 0;
-
- /* ignore our primary pipe and everything below it */
- primary_pipes &= ~GENMASK(primary_pipe, 0);
- /* make sure a high bit is set for the ffs() */
- primary_pipes |= BIT(7);
- /* lowest remaining bit should be the next primary pipe */
- next_primary_pipe = ffs(primary_pipes) - 1;
-
- return secondary_pipes & GENMASK(next_primary_pipe - 1, primary_pipe);
-}
-
static u8 hsw_panel_transcoders(struct drm_i915_private *i915)
{
u8 panel_transcoder_mask = BIT(TRANSCODER_EDP);
@@ -3794,23 +3662,6 @@ static bool bxt_get_dsi_transcoder_state(struct intel_crtc *crtc,
return transcoder_is_dsi(pipe_config->cpu_transcoder);
}
-static void intel_joiner_get_config(struct intel_crtc_state *crtc_state)
-{
- struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *i915 = to_i915(crtc->base.dev);
- u8 primary_pipes, secondary_pipes;
- enum pipe pipe = crtc->pipe;
-
- intel_joiner_enabled_pipes(i915, &primary_pipes, &secondary_pipes);
-
- if (((primary_pipes | secondary_pipes) & BIT(pipe)) == 0)
- return;
-
- crtc_state->joiner_pipes =
- BIT(intel_joiner_find_primary_pipe(pipe, primary_pipes, secondary_pipes)) |
- intel_joiner_find_secondary_pipes(pipe, primary_pipes, secondary_pipes);
-}
-
static bool hsw_get_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config)
{
@@ -5822,9 +5673,9 @@ static bool active_planes_affects_min_cdclk(struct drm_i915_private *dev_priv)
IS_IVYBRIDGE(dev_priv);
}
-static int intel_crtc_add_joiner_planes(struct intel_atomic_state *state,
- struct intel_crtc *crtc,
- struct intel_crtc *other)
+int intel_crtc_add_joiner_planes(struct intel_atomic_state *state,
+ struct intel_crtc *crtc,
+ struct intel_crtc *other)
{
const struct intel_plane_state __maybe_unused *plane_state;
struct intel_plane *plane;
@@ -5839,32 +5690,6 @@ static int intel_crtc_add_joiner_planes(struct intel_atomic_state *state,
return intel_crtc_add_planes_to_state(state, other, plane_ids);
}
-static int intel_joiner_add_affected_planes(struct intel_atomic_state *state)
-{
- struct drm_i915_private *i915 = to_i915(state->base.dev);
- const struct intel_crtc_state *crtc_state;
- struct intel_crtc *crtc;
- int i;
-
- for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
- struct intel_crtc *other;
-
- for_each_intel_crtc_in_pipe_mask(&i915->drm, other,
- crtc_state->joiner_pipes) {
- int ret;
-
- if (crtc == other)
- continue;
-
- ret = intel_crtc_add_joiner_planes(state, crtc, other);
- if (ret)
- return ret;
- }
- }
-
- return 0;
-}
-
static int intel_atomic_check_planes(struct intel_atomic_state *state)
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
@@ -6049,8 +5874,8 @@ static int intel_atomic_check_joiner(struct intel_atomic_state *state,
return 0;
}
-static void kill_joiner_secondaries(struct intel_atomic_state *state,
- struct intel_crtc *primary_crtc)
+void intel_crtc_kill_joiner_secondaries(struct intel_atomic_state *state,
+ struct intel_crtc *primary_crtc)
{
struct drm_i915_private *i915 = to_i915(state->base.dev);
struct intel_crtc_state *primary_crtc_state =
@@ -6349,53 +6174,6 @@ static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct in
return 0;
}
-static int intel_joiner_add_affected_crtcs(struct intel_atomic_state *state)
-{
- struct drm_i915_private *i915 = to_i915(state->base.dev);
- struct intel_crtc_state *crtc_state;
- struct intel_crtc *crtc;
- u8 affected_pipes = 0;
- u8 modeset_pipes = 0;
- int i;
-
- for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
- affected_pipes |= crtc_state->joiner_pipes;
- if (intel_crtc_needs_modeset(crtc_state))
- modeset_pipes |= crtc_state->joiner_pipes;
- }
-
- for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc, affected_pipes) {
- crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);
- if (IS_ERR(crtc_state))
- return PTR_ERR(crtc_state);
- }
-
- for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc, modeset_pipes) {
- int ret;
-
- crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
-
- crtc_state->uapi.mode_changed = true;
-
- ret = drm_atomic_add_affected_connectors(&state->base, &crtc->base);
- if (ret)
- return ret;
-
- ret = intel_atomic_add_affected_planes(state, crtc);
- if (ret)
- return ret;
- }
-
- for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
- /* Kill old joiner link, we may re-establish afterwards */
- if (intel_crtc_needs_modeset(crtc_state) &&
- intel_crtc_is_joiner_primary(crtc_state))
- kill_joiner_secondaries(state, crtc);
- }
-
- return 0;
-}
-
static int intel_atomic_check_config(struct intel_atomic_state *state,
struct intel_link_bw_limits *limits,
enum pipe *failed_pipe)
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index b21d9578d5db..6bf423e36bc9 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -586,5 +586,10 @@ bool assert_port_valid(struct drm_i915_private *i915, enum port port);
})
bool intel_scanout_needs_vtd_wa(struct drm_i915_private *i915);
+int intel_crtc_add_joiner_planes(struct intel_atomic_state *state,
+ struct intel_crtc *crtc,
+ struct intel_crtc *other);
+void intel_crtc_kill_joiner_secondaries(struct intel_atomic_state *state,
+ struct intel_crtc *primary_crtc);
#endif
diff --git a/drivers/gpu/drm/i915/display/intel_joiner.c b/drivers/gpu/drm/i915/display/intel_joiner.c
new file mode 100644
index 000000000000..b24dfdbc9840
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_joiner.c
@@ -0,0 +1,233 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#include <drm/drm_rect.h>
+
+#include "i915_drv.h"
+#include "intel_atomic.h"
+#include "intel_display.h"
+#include "intel_display_device.h"
+#include "intel_display_types.h"
+#include "intel_dss.h"
+#include "intel_joiner.h"
+
+enum pipe intel_joiner_get_primary_pipe(const struct intel_crtc_state *crtc_state)
+{
+ return ffs(crtc_state->joiner_pipes) - 1;
+}
+
+int intel_joiner_get_num_pipes(const struct intel_crtc_state *crtc_state)
+{
+ return hweight8(crtc_state->joiner_pipes);
+}
+
+void intel_joiner_adjust_timings(const struct intel_crtc_state *crtc_state,
+ struct drm_display_mode *mode)
+{
+ int num_pipes = intel_joiner_get_num_pipes(crtc_state);
+
+ if (num_pipes < 2)
+ return;
+
+ mode->crtc_clock /= num_pipes;
+ mode->crtc_hdisplay /= num_pipes;
+ mode->crtc_hblank_start /= num_pipes;
+ mode->crtc_hblank_end /= num_pipes;
+ mode->crtc_hsync_start /= num_pipes;
+ mode->crtc_hsync_end /= num_pipes;
+ mode->crtc_htotal /= num_pipes;
+}
+
+void intel_joiner_compute_pipe_src(struct intel_crtc_state *crtc_state)
+{
+ int num_pipes = intel_joiner_get_num_pipes(crtc_state);
+ int width, height;
+
+ if (num_pipes < 2)
+ return;
+
+ width = drm_rect_width(&crtc_state->pipe_src);
+ height = drm_rect_height(&crtc_state->pipe_src);
+
+ drm_rect_init(&crtc_state->pipe_src, 0, 0,
+ width / num_pipes, height);
+}
+
+void intel_joiner_adjust_pipe_src(struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ int num_pipes = intel_joiner_get_num_pipes(crtc_state);
+ enum pipe primary_pipe, pipe = crtc->pipe;
+ int width;
+
+ if (num_pipes < 2)
+ return;
+
+ primary_pipe = intel_joiner_get_primary_pipe(crtc_state);
+ width = drm_rect_width(&crtc_state->pipe_src);
+
+ drm_rect_translate_to(&crtc_state->pipe_src,
+ (pipe - primary_pipe) * width, 0);
+}
+
+u8 intel_joiner_supported_pipes(struct drm_i915_private *i915)
+{
+ u8 pipes;
+
+ if (DISPLAY_VER(i915) >= 12)
+ pipes = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D);
+ else if (DISPLAY_VER(i915) >= 11)
+ pipes = BIT(PIPE_B) | BIT(PIPE_C);
+ else
+ pipes = 0;
+
+ return pipes & DISPLAY_RUNTIME_INFO(i915)->pipe_mask;
+}
+
+void intel_joiner_enabled_pipes(struct drm_i915_private *dev_priv,
+ u8 *primary_pipes, u8 *secondary_pipes)
+{
+ struct intel_crtc *crtc;
+
+ *primary_pipes = 0;
+ *secondary_pipes = 0;
+
+ for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc,
+ intel_joiner_supported_pipes(dev_priv)) {
+ intel_dss_get_compressed_joiner_pipes(crtc,
+ primary_pipes,
+ secondary_pipes);
+
+ intel_dss_get_uncompressed_joiner_pipes(crtc,
+ primary_pipes,
+ secondary_pipes);
+ }
+
+ /* Joiner pipes should always be consecutive primary and secondary */
+ drm_WARN(&dev_priv->drm, *secondary_pipes != *primary_pipes << 1,
+ "Joiner misconfigured (primary pipes 0x%x, secondary pipes 0x%x)\n",
+ *primary_pipes, *secondary_pipes);
+}
+
+enum pipe intel_joiner_find_primary_pipe(enum pipe pipe, u8 primary_pipes, u8 secondary_pipes)
+{
+ if ((secondary_pipes & BIT(pipe)) == 0)
+ return pipe;
+
+ /* ignore everything above our pipe */
+ primary_pipes &= ~GENMASK(7, pipe);
+
+ /* highest remaining bit should be our primary pipe */
+ return fls(primary_pipes) - 1;
+}
+
+u8 intel_joiner_find_secondary_pipes(enum pipe pipe, u8 primary_pipes, u8 secondary_pipes)
+{
+ enum pipe primary_pipe, next_primary_pipe;
+
+ primary_pipe = intel_joiner_find_primary_pipe(pipe, primary_pipes, secondary_pipes);
+
+ if ((primary_pipes & BIT(primary_pipe)) == 0)
+ return 0;
+
+ /* ignore our primary pipe and everything below it */
+ primary_pipes &= ~GENMASK(primary_pipe, 0);
+ /* make sure a high bit is set for the ffs() */
+ primary_pipes |= BIT(7);
+ /* lowest remaining bit should be the next primary pipe */
+ next_primary_pipe = ffs(primary_pipes) - 1;
+
+ return secondary_pipes & GENMASK(next_primary_pipe - 1, primary_pipe);
+}
+
+void intel_joiner_get_config(struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *i915 = to_i915(crtc->base.dev);
+ u8 primary_pipes, secondary_pipes;
+ enum pipe pipe = crtc->pipe;
+
+ intel_joiner_enabled_pipes(i915, &primary_pipes, &secondary_pipes);
+
+ if (((primary_pipes | secondary_pipes) & BIT(pipe)) == 0)
+ return;
+
+ crtc_state->joiner_pipes =
+ BIT(intel_joiner_find_primary_pipe(pipe, primary_pipes, secondary_pipes)) |
+ intel_joiner_find_secondary_pipes(pipe, primary_pipes, secondary_pipes);
+}
+
+int intel_joiner_add_affected_planes(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *i915 = to_i915(state->base.dev);
+ const struct intel_crtc_state *crtc_state;
+ struct intel_crtc *crtc;
+ int i;
+
+ for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
+ struct intel_crtc *other;
+
+ for_each_intel_crtc_in_pipe_mask(&i915->drm, other,
+ crtc_state->joiner_pipes) {
+ int ret;
+
+ if (crtc == other)
+ continue;
+
+ ret = intel_crtc_add_joiner_planes(state, crtc, other);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int intel_joiner_add_affected_crtcs(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *i915 = to_i915(state->base.dev);
+ struct intel_crtc_state *crtc_state;
+ struct intel_crtc *crtc;
+ u8 affected_pipes = 0;
+ u8 modeset_pipes = 0;
+ int i;
+
+ for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
+ affected_pipes |= crtc_state->joiner_pipes;
+ if (intel_crtc_needs_modeset(crtc_state))
+ modeset_pipes |= crtc_state->joiner_pipes;
+ }
+
+ for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc, affected_pipes) {
+ crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);
+ if (IS_ERR(crtc_state))
+ return PTR_ERR(crtc_state);
+ }
+
+ for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc, modeset_pipes) {
+ int ret;
+
+ crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
+
+ crtc_state->uapi.mode_changed = true;
+
+ ret = drm_atomic_add_affected_connectors(&state->base, &crtc->base);
+ if (ret)
+ return ret;
+
+ ret = intel_atomic_add_affected_planes(state, crtc);
+ if (ret)
+ return ret;
+ }
+
+ for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
+ /* Kill old joiner link, we may re-establish afterwards */
+ if (intel_crtc_needs_modeset(crtc_state) &&
+ intel_crtc_is_joiner_primary(crtc_state))
+ intel_crtc_kill_joiner_secondaries(state, crtc);
+ }
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_joiner.h b/drivers/gpu/drm/i915/display/intel_joiner.h
new file mode 100644
index 000000000000..3417274de4a2
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_joiner.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#ifndef __INTEL_JOINER_H__
+#define __INTEL_JOINER_H__
+
+#include "linux/types.h"
+
+enum pipe;
+struct drm_display_mode;
+struct drm_i915_private;
+struct intel_atomic_state;
+struct intel_crtc_state;
+
+enum pipe intel_joiner_get_primary_pipe(const struct intel_crtc_state *crtc_state);
+int intel_joiner_get_num_pipes(const struct intel_crtc_state *crtc_state);
+void intel_joiner_adjust_timings(const struct intel_crtc_state *crtc_state,
+ struct drm_display_mode *mode);
+void intel_joiner_compute_pipe_src(struct intel_crtc_state *crtc_state);
+void intel_joiner_adjust_pipe_src(struct intel_crtc_state *crtc_state);
+u8 intel_joiner_supported_pipes(struct drm_i915_private *i915);
+void intel_joiner_enabled_pipes(struct drm_i915_private *dev_priv,
+ u8 *primary_pipes, u8 *secondary_pipes);
+enum pipe intel_joiner_find_primary_pipe(enum pipe pipe, u8 primary_pipes, u8 secondary_pipes);
+u8 intel_joiner_find_secondary_pipes(enum pipe pipe, u8 primary_pipes, u8 secondary_pipes);
+void intel_joiner_get_config(struct intel_crtc_state *crtc_state);
+int intel_joiner_add_affected_planes(struct intel_atomic_state *state);
+int intel_joiner_add_affected_crtcs(struct intel_atomic_state *state);
+
+#endif/* __INTEL_JOINER_H__ */
diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index ff1c0ce6da86..995accd939f9 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -243,6 +243,7 @@ xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-display/intel_hotplug.o \
i915-display/intel_hotplug_irq.o \
i915-display/intel_hti.o \
+ i915-display/intel_joiner.o \
i915-display/intel_link_bw.o \
i915-display/intel_lspcon.o \
i915-display/intel_modeset_lock.o \
--
2.45.2
