[PATCH v2 1/4] qxl: remove qxl_io_log()

From: Gerd Hoffmann
Date: Fri Apr 20 2018 - 03:19:15 EST


qxl_io_log() sends messages over to the host (qemu) for logging.
Remove the function and all callers, we can just use standard
DRM_DEBUG calls (and if needed a serial console).

Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
drivers/gpu/drm/qxl/qxl_drv.h | 3 ---
drivers/gpu/drm/qxl/qxl_cmd.c | 34 ++--------------------------------
drivers/gpu/drm/qxl/qxl_display.c | 27 ++++-----------------------
drivers/gpu/drm/qxl/qxl_fb.c | 2 --
drivers/gpu/drm/qxl/qxl_irq.c | 3 +--
5 files changed, 7 insertions(+), 62 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 00a1a66b05..4b89840173 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -298,9 +298,6 @@ struct qxl_device {
int monitors_config_height;
};

-/* forward declaration for QXL_INFO_IO */
-__printf(2,3) void qxl_io_log(struct qxl_device *qdev, const char *fmt, ...);
-
extern const struct drm_ioctl_desc qxl_ioctls[];
extern int qxl_max_ioctl;

diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c
index c0fb52c6d4..850f8d7d37 100644
--- a/drivers/gpu/drm/qxl/qxl_cmd.c
+++ b/drivers/gpu/drm/qxl/qxl_cmd.c
@@ -341,12 +341,9 @@ int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,
surface_height = surf->surf.height;

if (area->left < 0 || area->top < 0 ||
- area->right > surface_width || area->bottom > surface_height) {
- qxl_io_log(qdev, "%s: not doing area update for "
- "%d, (%d,%d,%d,%d) (%d,%d)\n", __func__, surface_id, area->left,
- area->top, area->right, area->bottom, surface_width, surface_height);
+ area->right > surface_width || area->bottom > surface_height)
return -EINVAL;
- }
+
mutex_lock(&qdev->update_area_mutex);
qdev->ram_header->update_area = *area;
qdev->ram_header->update_surface = surface_id;
@@ -407,20 +404,6 @@ void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id)
wait_for_io_cmd(qdev, id, QXL_IO_MEMSLOT_ADD_ASYNC);
}

-void qxl_io_log(struct qxl_device *qdev, const char *fmt, ...)
-{
- va_list args;
-
- va_start(args, fmt);
- vsnprintf(qdev->ram_header->log_buf, QXL_LOG_BUF_SIZE, fmt, args);
- va_end(args);
- /*
- * DO not do a DRM output here - this will call printk, which will
- * call back into qxl for rendering (qxl_fb)
- */
- outb(0, qdev->io_base + QXL_IO_LOG);
-}
-
void qxl_io_reset(struct qxl_device *qdev)
{
outb(0, qdev->io_base + QXL_IO_RESET);
@@ -428,19 +411,6 @@ void qxl_io_reset(struct qxl_device *qdev)

void qxl_io_monitors_config(struct qxl_device *qdev)
{
- qxl_io_log(qdev, "%s: %d [%dx%d+%d+%d]\n", __func__,
- qdev->monitors_config ?
- qdev->monitors_config->count : -1,
- qdev->monitors_config && qdev->monitors_config->count ?
- qdev->monitors_config->heads[0].width : -1,
- qdev->monitors_config && qdev->monitors_config->count ?
- qdev->monitors_config->heads[0].height : -1,
- qdev->monitors_config && qdev->monitors_config->count ?
- qdev->monitors_config->heads[0].x : -1,
- qdev->monitors_config && qdev->monitors_config->count ?
- qdev->monitors_config->heads[0].y : -1
- );
-
wait_for_io_cmd(qdev, 0, QXL_IO_MONITORS_CONFIG_ASYNC);
}

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index ecb35ed0ea..dea757ef62 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -48,12 +48,8 @@ static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned c
qdev->client_monitors_config = kzalloc(
sizeof(struct qxl_monitors_config) +
sizeof(struct qxl_head) * count, GFP_KERNEL);
- if (!qdev->client_monitors_config) {
- qxl_io_log(qdev,
- "%s: allocation failure for %u heads\n",
- __func__, count);
+ if (!qdev->client_monitors_config)
return;
- }
}
qdev->client_monitors_config->count = count;
}
@@ -74,12 +70,8 @@ static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
num_monitors = qdev->rom->client_monitors_config.count;
crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
sizeof(qdev->rom->client_monitors_config));
- if (crc != qdev->rom->client_monitors_config_crc) {
- qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
- sizeof(qdev->rom->client_monitors_config),
- qdev->rom->client_monitors_config_crc);
+ if (crc != qdev->rom->client_monitors_config_crc)
return MONITORS_CONFIG_BAD_CRC;
- }
if (!num_monitors) {
DRM_DEBUG_KMS("no client monitors configured\n");
return status;
@@ -170,12 +162,10 @@ void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
udelay(5);
}
if (status == MONITORS_CONFIG_BAD_CRC) {
- qxl_io_log(qdev, "config: bad crc\n");
DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
return;
}
if (status == MONITORS_CONFIG_UNCHANGED) {
- qxl_io_log(qdev, "config: unchanged\n");
DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
return;
}
@@ -385,14 +375,6 @@ static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
- struct drm_device *dev = crtc->dev;
- struct qxl_device *qdev = dev->dev_private;
-
- qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
- __func__,
- mode->hdisplay, mode->vdisplay,
- adjusted_mode->hdisplay,
- adjusted_mode->vdisplay);
return true;
}

@@ -403,10 +385,9 @@ qxl_send_monitors_config(struct qxl_device *qdev)

BUG_ON(!qdev->ram_header->monitors_config);

- if (qdev->monitors_config->count == 0) {
- qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
+ if (qdev->monitors_config->count == 0)
return;
- }
+
for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
struct qxl_head *head = &qdev->monitors_config->heads[i];

diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c
index 338891401f..9a67526060 100644
--- a/drivers/gpu/drm/qxl/qxl_fb.c
+++ b/drivers/gpu/drm/qxl/qxl_fb.c
@@ -185,8 +185,6 @@ static int qxlfb_framebuffer_dirty(struct drm_framebuffer *fb,
/*
* we are using a shadow draw buffer, at qdev->surface0_shadow
*/
- qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]\n", clips->x1, clips->x2,
- clips->y1, clips->y2);
image->dx = clips->x1;
image->dy = clips->y1;
image->width = clips->x2 - clips->x1;
diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c
index 23a40106ab..3bb31add63 100644
--- a/drivers/gpu/drm/qxl/qxl_irq.c
+++ b/drivers/gpu/drm/qxl/qxl_irq.c
@@ -57,10 +57,9 @@ irqreturn_t qxl_irq_handler(int irq, void *arg)
* to avoid endless loops).
*/
qdev->irq_received_error++;
- qxl_io_log(qdev, "%s: driver is in bug mode.\n", __func__);
+ DRM_WARN("driver is in bug mode\n");
}
if (pending & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG) {
- qxl_io_log(qdev, "QXL_INTERRUPT_CLIENT_MONITORS_CONFIG\n");
schedule_work(&qdev->client_monitors_config_work);
}
qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
--
2.9.3