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drm/i915: Clean up skl+ PLANE_POS vs. scaler handling 

On skl+ the scaler (when enabled) will take care of the plane output
position. Make the code less ugly by just setting crtc_x/y to 0
when the scaler is enabled.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181101150605.18235-6-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ville Syrjälä 2018-11-01 17:05:56 +02:00
parent 7b012bd62d
commit 07464c7c0c
1 changed files with 9 additions and 7 deletions
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16
drivers/gpu/drm/i915/intel_sprite.c
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@ -492,6 +492,12 @@ skl_program_plane(struct intel_plane *plane,
if (alpha < 0xff)
keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;
/* The scaler will handle the output position */
if (plane_state->scaler_id >= 0) {
crtc_x = 0;
crtc_y = 0;
}
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
@ -537,14 +543,10 @@ skl_program_plane(struct intel_plane *plane,
I915_WRITE_FW(PLANE_CUS_CTL(pipe, plane_id), cus_ctl);
}
if (plane_state->scaler_id >= 0) {
if (!slave)
skl_program_scaler(plane, crtc_state, plane_state);
if (!slave && plane_state->scaler_id >= 0)
skl_program_scaler(plane, crtc_state, plane_state);
I915_WRITE_FW(PLANE_POS(pipe, plane_id), 0);
} else {
I915_WRITE_FW(PLANE_POS(pipe, plane_id), (crtc_y << 16) | crtc_x);
}
I915_WRITE_FW(PLANE_POS(pipe, plane_id), (crtc_y << 16) | crtc_x);
I915_WRITE_FW(PLANE_CTL(pipe, plane_id), plane_ctl);
I915_WRITE_FW(PLANE_SURF(pipe, plane_id),