diff options
Diffstat (limited to 'drivers/gpu/drm/bochs/bochs_hw.c')
| -rw-r--r-- | drivers/gpu/drm/bochs/bochs_hw.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c index a4fc4e6aee39..dce4672e3fc8 100644 --- a/drivers/gpu/drm/bochs/bochs_hw.c +++ b/drivers/gpu/drm/bochs/bochs_hw.c @@ -4,6 +4,7 @@ #include <linux/pci.h> +#include <drm/drm_drv.h> #include <drm/drm_fourcc.h> #include "bochs.h" @@ -192,6 +193,8 @@ void bochs_hw_fini(struct drm_device *dev) { struct bochs_device *bochs = dev->dev_private; + /* TODO: shot down existing vram mappings */ + if (bochs->mmio) iounmap(bochs->mmio); if (bochs->ioports) @@ -205,6 +208,11 @@ void bochs_hw_fini(struct drm_device *dev) void bochs_hw_setmode(struct bochs_device *bochs, struct drm_display_mode *mode) { + int idx; + + if (!drm_dev_enter(bochs->dev, &idx)) + return; + bochs->xres = mode->hdisplay; bochs->yres = mode->vdisplay; bochs->bpp = 32; @@ -230,11 +238,18 @@ void bochs_hw_setmode(struct bochs_device *bochs, bochs_dispi_write(bochs, VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED); + + drm_dev_exit(idx); } void bochs_hw_setformat(struct bochs_device *bochs, const struct drm_format_info *format) { + int idx; + + if (!drm_dev_enter(bochs->dev, &idx)) + return; + DRM_DEBUG_DRIVER("format %c%c%c%c\n", (format->format >> 0) & 0xff, (format->format >> 8) & 0xff, @@ -254,13 +269,18 @@ void bochs_hw_setformat(struct bochs_device *bochs, __func__, format->format); break; } + + drm_dev_exit(idx); } void bochs_hw_setbase(struct bochs_device *bochs, int x, int y, int stride, u64 addr) { unsigned long offset; - unsigned int vx, vy, vwidth; + unsigned int vx, vy, vwidth, idx; + + if (!drm_dev_enter(bochs->dev, &idx)) + return; bochs->stride = stride; offset = (unsigned long)addr + @@ -275,4 +295,6 @@ void bochs_hw_setbase(struct bochs_device *bochs, bochs_dispi_write(bochs, VBE_DISPI_INDEX_VIRT_WIDTH, vwidth); bochs_dispi_write(bochs, VBE_DISPI_INDEX_X_OFFSET, vx); bochs_dispi_write(bochs, VBE_DISPI_INDEX_Y_OFFSET, vy); + + drm_dev_exit(idx); } |