From: Stanislav Lisovskiy <[email protected]> Modify the helpers get_primary/secondary_pipes to account for ultrajoiner usage. Use the modified helpers to retrieve ultrajoiner information in get_joiner_config.
Signed-off-by: Stanislav Lisovskiy <[email protected]> Signed-off-by: Ankit Nautiyal <[email protected]> --- drivers/gpu/drm/i915/display/intel_display.c | 57 +++++++++++++------- 1 file changed, 37 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 02926a8ef7c5..24698d8ed5d6 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3716,7 +3716,8 @@ static void enabled_ultrajoiner_pipes(struct drm_i915_private *i915, } static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, - u8 *primary_pipes, u8 *secondary_pipes) + u8 *primary_pipes, u8 *secondary_pipes, + bool *ultrajoiner_used) { struct intel_display *display = to_intel_display(&dev_priv->drm); u8 primary_uncompressed_joiner_pipes, primary_bigjoiner_pipes; @@ -3760,6 +3761,7 @@ static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, secondary_uncompressed_joiner_pipes; bigjoiner_pipes = primary_bigjoiner_pipes | secondary_bigjoiner_pipes; ultrajoiner_pipes = primary_ultrajoiner_pipes | secondary_ultrajoiner_pipes; + *ultrajoiner_used = ultrajoiner_pipes != 0; drm_WARN(display->drm, (uncompressed_joiner_pipes & bigjoiner_pipes) != 0, "Uncomressed joiner pipes(%#x) and bigjoiner pipes(%#x) can't intersect\n", @@ -3794,7 +3796,8 @@ static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, *primary_pipes, *secondary_pipes); } -static enum pipe get_joiner_primary_pipe(enum pipe pipe, u8 primary_pipes, u8 secondary_pipes) +static enum pipe get_joiner_primary_pipe(enum pipe pipe, u8 primary_pipes, + u8 secondary_pipes, bool ultrajoiner_used) { if ((secondary_pipes & BIT(pipe)) == 0) return pipe; @@ -3802,27 +3805,37 @@ static enum pipe get_joiner_primary_pipe(enum pipe pipe, u8 primary_pipes, u8 se /* ignore everything above our pipe */ primary_pipes &= ~GENMASK(7, pipe); - /* highest remaining bit should be our primary pipe */ - return fls(primary_pipes) - 1; + if (!ultrajoiner_used) + /* highest remaining bit should be our master pipe */ + return fls(primary_pipes) - 1; + + /* lowest remaining bit should be our primary master pipe */ + return ffs(primary_pipes) - 1; } -static u8 get_joiner_secondary_pipes(enum pipe pipe, u8 primary_pipes, u8 secondary_pipes) +static u8 get_joiner_secondary_pipes(enum pipe pipe, u8 primary_pipes, + u8 secondary_pipes, bool ultrajoiner_used) { enum pipe primary_pipe, next_primary_pipe; - primary_pipe = get_joiner_primary_pipe(pipe, primary_pipes, secondary_pipes); + primary_pipe = get_joiner_primary_pipe(pipe, primary_pipes, + secondary_pipes, ultrajoiner_used); 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; + if (!ultrajoiner_used) { + /* 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); + return secondary_pipes & GENMASK(next_primary_pipe - 1, primary_pipe); + } else { + return (secondary_pipes | primary_pipes) & ~BIT(primary_pipe); + } } static u8 hsw_panel_transcoders(struct drm_i915_private *i915) @@ -3843,6 +3856,7 @@ static u8 hsw_enabled_transcoders(struct intel_crtc *crtc) enum transcoder cpu_transcoder; u8 primary_pipes, secondary_pipes; u8 enabled_transcoders = 0; + bool ultrajoiner_used; /* * XXX: Do intel_display_power_get_if_enabled before reading this (for @@ -3893,11 +3907,12 @@ static u8 hsw_enabled_transcoders(struct intel_crtc *crtc) if (transcoder_ddi_func_is_enabled(dev_priv, cpu_transcoder)) enabled_transcoders |= BIT(cpu_transcoder); - /* joiner secondary -> consider the primary pipe's transcoder as well */ - enabled_joiner_pipes(dev_priv, &primary_pipes, &secondary_pipes); + /* joiner slave -> consider the master pipe's transcoder as well */ + enabled_joiner_pipes(dev_priv, &primary_pipes, &secondary_pipes, &ultrajoiner_used); if (secondary_pipes & BIT(crtc->pipe)) { cpu_transcoder = (enum transcoder) - get_joiner_primary_pipe(crtc->pipe, primary_pipes, secondary_pipes); + get_joiner_primary_pipe(crtc->pipe, primary_pipes, + secondary_pipes, ultrajoiner_used); if (transcoder_ddi_func_is_enabled(dev_priv, cpu_transcoder)) enabled_transcoders |= BIT(cpu_transcoder); } @@ -4029,16 +4044,18 @@ 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; + bool ultrajoiner_used; enum pipe pipe = crtc->pipe; - enabled_joiner_pipes(i915, &primary_pipes, &secondary_pipes); + enabled_joiner_pipes(i915, &primary_pipes, &secondary_pipes, &ultrajoiner_used); if (((primary_pipes | secondary_pipes) & BIT(pipe)) == 0) return; - crtc_state->joiner_pipes = - BIT(get_joiner_primary_pipe(pipe, primary_pipes, secondary_pipes)) | - get_joiner_secondary_pipes(pipe, primary_pipes, secondary_pipes); + crtc_state->joiner_pipes = BIT(get_joiner_primary_pipe(pipe, primary_pipes, + secondary_pipes, ultrajoiner_used)) | + get_joiner_secondary_pipes(pipe, primary_pipes, + secondary_pipes, ultrajoiner_used); } static bool hsw_get_pipe_config(struct intel_crtc *crtc, -- 2.45.2
