From: Stanislav Lisovskiy <[email protected]> We need to add a new sanity checks and also do some preparations for adding ultrajoiner hw state readout. Lets first split reading of the uncompressed joiner and bigjoiner bit masks into separate functions.
v2: Fixed checkpatch warnings (Ankit) Signed-off-by: Stanislav Lisovskiy <[email protected]> Signed-off-by: Ankit Nautiyal <[email protected]> Reviewed-by: Suraj Kandpal <[email protected]> --- drivers/gpu/drm/i915/display/intel_display.c | 65 +++++++++++++++----- 1 file changed, 48 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 3278debf47cc..cdc7531311fc 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3580,51 +3580,82 @@ static bool transcoder_ddi_func_is_enabled(struct drm_i915_private *dev_priv, return tmp & TRANS_DDI_FUNC_ENABLE; } -static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, - u8 *primary_pipes, u8 *secondary_pipes) +static void enabled_uncompressed_joiner_pipes(struct drm_i915_private *dev_priv, + u8 *primary_pipes, u8 *secondary_pipes) { struct intel_crtc *crtc; *primary_pipes = 0; *secondary_pipes = 0; + if (DISPLAY_VER(dev_priv) < 13) + return; + for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc, joiner_pipes(dev_priv)) { enum intel_display_power_domain power_domain; enum pipe pipe = crtc->pipe; intel_wakeref_t wakeref; - power_domain = intel_dsc_power_domain(crtc, (enum transcoder) pipe); + power_domain = POWER_DOMAIN_PIPE(pipe); with_intel_display_power_if_enabled(dev_priv, power_domain, wakeref) { u32 tmp = intel_de_read(dev_priv, ICL_PIPE_DSS_CTL1(pipe)); - if (!(tmp & BIG_JOINER_ENABLE)) - continue; - - if (tmp & PRIMARY_BIG_JOINER_ENABLE) + if (tmp & UNCOMPRESSED_JOINER_PRIMARY) *primary_pipes |= BIT(pipe); - else + if (tmp & UNCOMPRESSED_JOINER_SECONDARY) *secondary_pipes |= BIT(pipe); } + } +} - if (DISPLAY_VER(dev_priv) < 13) - continue; +static void enabled_bigjoiner_pipes(struct drm_i915_private *dev_priv, + u8 *primary_pipes, u8 *secondary_pipes) +{ + struct intel_crtc *crtc; - power_domain = POWER_DOMAIN_PIPE(pipe); + *primary_pipes = 0; + *secondary_pipes = 0; + + for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc, + joiner_pipes(dev_priv)) { + enum intel_display_power_domain power_domain; + enum pipe pipe = crtc->pipe; + intel_wakeref_t wakeref; + + power_domain = intel_dsc_power_domain(crtc, (enum transcoder)pipe); with_intel_display_power_if_enabled(dev_priv, power_domain, wakeref) { u32 tmp = intel_de_read(dev_priv, ICL_PIPE_DSS_CTL1(pipe)); - if (tmp & UNCOMPRESSED_JOINER_PRIMARY) + if (!(tmp & BIG_JOINER_ENABLE)) + continue; + + if (tmp & PRIMARY_BIG_JOINER_ENABLE) *primary_pipes |= BIT(pipe); - if (tmp & UNCOMPRESSED_JOINER_SECONDARY) + else *secondary_pipes |= BIT(pipe); } } +} + +static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, + u8 *primary_pipes, u8 *secondary_pipes) +{ + u8 primary_uncompressed_joiner_pipes, primary_bigjoiner_pipes; + u8 secondary_uncompressed_joiner_pipes, secondary_bigjoiner_pipes; + + enabled_uncompressed_joiner_pipes(dev_priv, &primary_uncompressed_joiner_pipes, + &secondary_uncompressed_joiner_pipes); + + enabled_bigjoiner_pipes(dev_priv, &primary_bigjoiner_pipes, + &secondary_bigjoiner_pipes); + + *primary_pipes = 0; + *secondary_pipes = 0; + + *primary_pipes = primary_uncompressed_joiner_pipes | primary_bigjoiner_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); + *secondary_pipes = secondary_uncompressed_joiner_pipes | secondary_bigjoiner_pipes; } static enum pipe get_joiner_primary_pipe(enum pipe pipe, u8 primary_pipes, u8 secondary_pipes) -- 2.45.2
