From 208f6265d519643f380c504ee1c1ef925f2c7d5f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 3 Feb 2022 20:38:22 +0200 Subject: [PATCH] drm/i915: Return both master and slave pipes from enabled_bigjoiner_pipes() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Return both the master and slave pipe bitmasks from enabled_bigjoiner_pipes(). We'll have use for both during readout soon. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20220203183823.22890-10-ville.syrjala@linux.intel.com Reviewed-by: Manasi Navare --- drivers/gpu/drm/i915/display/intel_display.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 9076931..dd33c22 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3862,11 +3862,14 @@ static bool transcoder_ddi_func_is_enabled(struct drm_i915_private *dev_priv, return tmp & TRANS_DDI_FUNC_ENABLE; } -static u8 enabled_bigjoiner_pipes(struct drm_i915_private *dev_priv) +static void enabled_bigjoiner_pipes(struct drm_i915_private *dev_priv, + u8 *master_pipes, u8 *slave_pipes) { - u8 master_pipes = 0, slave_pipes = 0; struct intel_crtc *crtc; + *master_pipes = 0; + *slave_pipes = 0; + for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc, bigjoiner_pipes(dev_priv)) { enum intel_display_power_domain power_domain; @@ -3881,9 +3884,9 @@ static u8 enabled_bigjoiner_pipes(struct drm_i915_private *dev_priv) continue; if (tmp & MASTER_BIG_JOINER_ENABLE) - master_pipes |= BIT(pipe); + *master_pipes |= BIT(pipe); else - slave_pipes |= BIT(pipe); + *slave_pipes |= BIT(pipe); } if (DISPLAY_VER(dev_priv) < 13) @@ -3894,18 +3897,16 @@ static u8 enabled_bigjoiner_pipes(struct drm_i915_private *dev_priv) u32 tmp = intel_de_read(dev_priv, ICL_PIPE_DSS_CTL1(pipe)); if (tmp & UNCOMPRESSED_JOINER_MASTER) - master_pipes |= BIT(pipe); + *master_pipes |= BIT(pipe); if (tmp & UNCOMPRESSED_JOINER_SLAVE) - slave_pipes |= BIT(pipe); + *slave_pipes |= BIT(pipe); } } /* Bigjoiner pipes should always be consecutive master and slave */ - drm_WARN(&dev_priv->drm, slave_pipes != master_pipes << 1, + drm_WARN(&dev_priv->drm, *slave_pipes != *master_pipes << 1, "Bigjoiner misconfigured (master pipes 0x%x, slave pipes 0x%x)\n", - master_pipes, slave_pipes); - - return slave_pipes; + *master_pipes, *slave_pipes); } static u8 hsw_panel_transcoders(struct drm_i915_private *i915) @@ -3924,6 +3925,7 @@ static u8 hsw_enabled_transcoders(struct intel_crtc *crtc) struct drm_i915_private *dev_priv = to_i915(dev); u8 panel_transcoder_mask = hsw_panel_transcoders(dev_priv); enum transcoder cpu_transcoder; + u8 master_pipes, slave_pipes; u8 enabled_transcoders = 0; /* @@ -3975,7 +3977,8 @@ static u8 hsw_enabled_transcoders(struct intel_crtc *crtc) enabled_transcoders |= BIT(cpu_transcoder); /* bigjoiner slave -> consider the master pipe's transcoder as well */ - if (enabled_bigjoiner_pipes(dev_priv) & BIT(crtc->pipe)) { + enabled_bigjoiner_pipes(dev_priv, &master_pipes, &slave_pipes); + if (slave_pipes & BIT(crtc->pipe)) { cpu_transcoder = (enum transcoder) crtc->pipe - 1; if (transcoder_ddi_func_is_enabled(dev_priv, cpu_transcoder)) enabled_transcoders |= BIT(cpu_transcoder); -- 2.7.4