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Diffstat (limited to 'drivers/gpu/drm/gma500/blitter.c')
-rw-r--r--drivers/gpu/drm/gma500/blitter.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/drivers/gpu/drm/gma500/blitter.c b/drivers/gpu/drm/gma500/blitter.c
deleted file mode 100644
index cb2504a4a15f..000000000000
--- a/drivers/gpu/drm/gma500/blitter.c
+++ /dev/null
@@ -1,43 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2014, Patrik Jakobsson
- * All Rights Reserved.
- *
- * Authors: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
- */
-
-#include "psb_drv.h"
-
-#include "blitter.h"
-#include "psb_reg.h"
-
-/* Wait for the blitter to be completely idle */
-int gma_blt_wait_idle(struct drm_psb_private *dev_priv)
-{
- unsigned long stop = jiffies + HZ;
- int busy = 1;
-
- /* NOP for Cedarview */
- if (IS_CDV(dev_priv->dev))
- return 0;
-
- /* First do a quick check */
- if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) &&
- ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0))
- return 0;
-
- do {
- busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
- } while (busy && !time_after_eq(jiffies, stop));
-
- if (busy)
- return -EBUSY;
-
- do {
- busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
- _PSB_C2B_STATUS_BUSY) != 0);
- } while (busy && !time_after_eq(jiffies, stop));
-
- /* If still busy, we probably have a hang */
- return (busy) ? -EBUSY : 0;
-}