Hi
Am 08.06.19 um 10:19 schrieb Sam Ravnborg:
> Opencode all macros used from the deprecated drm_os_linux.h header file.
> The DRM_WAIT_ON used 3 * HZ as timeout.
> This was translated to 30 msec.
>
> Signed-off-by: Sam Ravnborg <s...@ravnborg.org>
> Cc: Thomas Zimmermann <tzimmerm...@suse.de>
> Cc: Daniel Vetter <dan...@ffwll.ch>
> Cc: David Airlie <airl...@linux.ie>
> ---
> drivers/gpu/drm/mga/mga_dma.c | 12 ++++++++----
> drivers/gpu/drm/mga/mga_drv.h | 12 ++++++++----
> drivers/gpu/drm/mga/mga_irq.c | 8 ++++----
> drivers/gpu/drm/mga/mga_state.c | 6 +++---
> 4 files changed, 23 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c
> index 1ffdafea27e4..123be2f3a151 100644
> --- a/drivers/gpu/drm/mga/mga_dma.c
> +++ b/drivers/gpu/drm/mga/mga_dma.c
> @@ -35,6 +35,8 @@
> * \author Gareth Hughes <gar...@valinux.com>
> */
>
> +#include <linux/delay.h>
> +
> #include <drm/drmP.h>
> #include <drm/mga_drm.h>
> #include "mga_drv.h"
> @@ -62,7 +64,7 @@ int mga_do_wait_for_idle(drm_mga_private_t *dev_priv)
> MGA_WRITE8(MGA_CRTC_INDEX, 0);
> return 0;
> }
> - DRM_UDELAY(1);
> + udelay(1);
> }
>
> #if MGA_DMA_DEBUG
> @@ -114,7 +116,7 @@ void mga_do_dma_flush(drm_mga_private_t *dev_priv)
> status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
> if (status == MGA_ENDPRDMASTS)
> break;
> - DRM_UDELAY(1);
> + udelay(1);
> }
>
> if (primary->tail == primary->last_flush) {
> @@ -1120,7 +1122,7 @@ int mga_dma_buffers(struct drm_device *dev, void *data,
> */
> if (d->send_count != 0) {
> DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
> - DRM_CURRENTPID, d->send_count);
> + task_pid_nr(current), d->send_count);
> return -EINVAL;
> }
>
> @@ -1128,7 +1130,9 @@ int mga_dma_buffers(struct drm_device *dev, void *data,
> */
> if (d->request_count < 0 || d->request_count > dma->buf_count) {
> DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
> - DRM_CURRENTPID, d->request_count, dma->buf_count);
> + task_pid_nr(current),
> + d->request_count,
> + dma->buf_count);
> return -EINVAL;
> }
>
> diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
> index a45bb22275a7..7844a9e463f6 100644
> --- a/drivers/gpu/drm/mga/mga_drv.h
> +++ b/drivers/gpu/drm/mga/mga_drv.h
> @@ -199,10 +199,14 @@ extern long mga_compat_ioctl(struct file *filp,
> unsigned int cmd,
>
> #define mga_flush_write_combine() wmb()
>
> -#define MGA_READ8(reg) DRM_READ8(dev_priv->mmio, (reg))
> -#define MGA_READ(reg) DRM_READ32(dev_priv->mmio, (reg))
> -#define MGA_WRITE8(reg, val) DRM_WRITE8(dev_priv->mmio, (reg), (val))
> -#define MGA_WRITE(reg, val) DRM_WRITE32(dev_priv->mmio, (reg), (val))
> +#define MGA_READ8(reg) \
> + readb(((void __iomem *)dev_priv->mmio->handle) + (reg))
> +#define MGA_READ(reg) \
> + readl(((void __iomem *)dev_priv->mmio->handle) + (reg))
> +#define MGA_WRITE8(reg, val) \
> + writeb(val, ((void __iomem *)dev_priv->mmio->handle) + (reg))
> +#define MGA_WRITE(reg, val) \
> + writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg))
Addition is not defined or implementation specific for type void* IIRC.
Compilers tend to treat it like u8*. Maybe cast mmio->handle to (u8
__iomem *) instead?
Best regards
Thomas
>
> #define DWGREG0 0x1c00
> #define DWGREG0_END 0x1dff
> diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
> index 693ba708cfed..c6a3fab5b0c4 100644
> --- a/drivers/gpu/drm/mga/mga_irq.c
> +++ b/drivers/gpu/drm/mga/mga_irq.c
> @@ -122,19 +122,19 @@ int mga_driver_fence_wait(struct drm_device *dev,
> unsigned int *sequence)
> {
> drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
> unsigned int cur_fence;
> - int ret = 0;
>
> /* Assume that the user has missed the current sequence number
> * by about a day rather than she wants to wait for years
> * using fences.
> */
> - DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * HZ,
> + wait_event_timeout(dev_priv->fence_queue,
> (((cur_fence = atomic_read(&dev_priv->last_fence_retired))
> - - *sequence) <= (1 << 23)));
> + - *sequence) <= (1 << 23)),
> + msecs_to_jiffies(30));
>
> *sequence = cur_fence;
>
> - return ret;
> + return 0;
> }
>
> void mga_driver_irq_preinstall(struct drm_device *dev)
> diff --git a/drivers/gpu/drm/mga/mga_state.c b/drivers/gpu/drm/mga/mga_state.c
> index e5f6b735f575..296a1db7e5ee 100644
> --- a/drivers/gpu/drm/mga/mga_state.c
> +++ b/drivers/gpu/drm/mga/mga_state.c
> @@ -1016,7 +1016,7 @@ int mga_getparam(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> return -EINVAL;
> }
>
> - DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
> + DRM_DEBUG("pid=%d\n", task_pid_nr(current));
>
> switch (param->param) {
> case MGA_PARAM_IRQ_NR:
> @@ -1048,7 +1048,7 @@ static int mga_set_fence(struct drm_device *dev, void
> *data, struct drm_file *fi
> return -EINVAL;
> }
>
> - DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
> + DRM_DEBUG("pid=%d\n", task_pid_nr(current));
>
> /* I would normal do this assignment in the declaration of fence,
> * but dev_priv may be NULL.
> @@ -1077,7 +1077,7 @@ file_priv)
> return -EINVAL;
> }
>
> - DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
> + DRM_DEBUG("pid=%d\n", task_pid_nr(current));
>
> mga_driver_fence_wait(dev, fence);
> return 0;
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)
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