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drm/i915: Extract hsw_panel_transcoders()

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Extract the "panel transcoder" bitmask into a helper. We'll
have a couple of uses for this later.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210913144440.23008-9-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2021-09-13 17:44:32 +03:00
parent 32f6734c72
commit 262d88baad
1 changed files with 11 additions and 5 deletions
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16
drivers/gpu/drm/i915/display/intel_display.c
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@@ -5599,21 +5599,27 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
return ret;
}
static u8 hsw_panel_transcoders(struct drm_i915_private *i915)
{
u8 panel_transcoder_mask = BIT(TRANSCODER_EDP);
if (DISPLAY_VER(i915) >= 11)
panel_transcoder_mask |= BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1);
return panel_transcoder_mask;
}
static bool hsw_get_transcoder_state(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config,
struct intel_display_power_domain_set *power_domain_set)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
unsigned long panel_transcoder_mask = BIT(TRANSCODER_EDP);
u8 panel_transcoder_mask = hsw_panel_transcoders(dev_priv);
unsigned long enabled_panel_transcoders = 0;
enum transcoder panel_transcoder;
u32 tmp;
if (DISPLAY_VER(dev_priv) >= 11)
panel_transcoder_mask |=
BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1);
/*
* The pipe->transcoder mapping is fixed with the exception of the eDP
* and DSI transcoders handled below.