diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_modeset.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_modeset.c | 64 |
1 files changed, 44 insertions, 20 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index 0d7816789da..cddc4fcf35c 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -11,9 +11,9 @@ * more details. */ -#include "drmP.h" -#include "drm_crtc.h" -#include "drm_crtc_helper.h" +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> #include "udl_drv.h" /* @@ -45,12 +45,25 @@ static char *udl_vidreg_unlock(char *buf) * 0x01 H and V sync off (screen blank but powered) * 0x07 DPMS powerdown (requires modeset to come back) */ -static char *udl_enable_hvsync(char *buf, bool enable) +static char *udl_set_blank(char *buf, int dpms_mode) { - if (enable) - return udl_set_register(buf, 0x1F, 0x00); - else - return udl_set_register(buf, 0x1F, 0x07); + u8 reg; + switch (dpms_mode) { + case DRM_MODE_DPMS_OFF: + reg = 0x07; + break; + case DRM_MODE_DPMS_STANDBY: + reg = 0x05; + break; + case DRM_MODE_DPMS_SUSPEND: + reg = 0x01; + break; + case DRM_MODE_DPMS_ON: + reg = 0x00; + break; + } + + return udl_set_register(buf, 0x1f, reg); } static char *udl_set_color_depth(char *buf, u8 selection) @@ -199,6 +212,20 @@ static char *udl_set_vid_cmds(char *wrptr, struct drm_display_mode *mode) return wrptr; } +static char *udl_dummy_render(char *wrptr) +{ + *wrptr++ = 0xAF; + *wrptr++ = 0x6A; /* copy */ + *wrptr++ = 0x00; /* from addr */ + *wrptr++ = 0x00; + *wrptr++ = 0x00; + *wrptr++ = 0x01; /* one pixel */ + *wrptr++ = 0x00; /* to address */ + *wrptr++ = 0x00; + *wrptr++ = 0x00; + return wrptr; +} + static int udl_crtc_write_mode_to_hw(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -235,9 +262,10 @@ static void udl_crtc_dpms(struct drm_crtc *crtc, int mode) buf = (char *)urb->transfer_buffer; buf = udl_vidreg_lock(buf); - buf = udl_enable_hvsync(buf, false); + buf = udl_set_blank(buf, mode); buf = udl_vidreg_unlock(buf); + buf = udl_dummy_render(buf); retval = udl_submit_urb(dev, urb, buf - (char *) urb->transfer_buffer); } else { @@ -251,7 +279,7 @@ static void udl_crtc_dpms(struct drm_crtc *crtc, int mode) } static bool udl_crtc_mode_fixup(struct drm_crtc *crtc, - struct drm_display_mode *mode, + const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { @@ -282,7 +310,7 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; - struct udl_framebuffer *ufb = to_udl_fb(crtc->fb); + struct udl_framebuffer *ufb = to_udl_fb(crtc->primary->fb); struct udl_device *udl = dev->dev_private; char *buf; char *wrptr; @@ -306,9 +334,11 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc, wrptr = udl_set_base8bpp(wrptr, 2 * mode->vdisplay * mode->hdisplay); wrptr = udl_set_vid_cmds(wrptr, adjusted_mode); - wrptr = udl_enable_hvsync(wrptr, true); + wrptr = udl_set_blank(wrptr, DRM_MODE_DPMS_ON); wrptr = udl_vidreg_unlock(wrptr); + wrptr = udl_dummy_render(wrptr); + ufb->active_16 = true; if (old_fb) { struct udl_framebuffer *uold_fb = to_udl_fb(old_fb); @@ -324,8 +354,7 @@ static int udl_crtc_mode_set(struct drm_crtc *crtc, static void udl_crtc_disable(struct drm_crtc *crtc) { - - + udl_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); } static void udl_crtc_destroy(struct drm_crtc *crtc) @@ -334,10 +363,6 @@ static void udl_crtc_destroy(struct drm_crtc *crtc) kfree(crtc); } -static void udl_load_lut(struct drm_crtc *crtc) -{ -} - static void udl_crtc_prepare(struct drm_crtc *crtc) { } @@ -354,7 +379,6 @@ static struct drm_crtc_helper_funcs udl_helper_funcs = { .prepare = udl_crtc_prepare, .commit = udl_crtc_commit, .disable = udl_crtc_disable, - .load_lut = udl_load_lut, }; static const struct drm_crtc_funcs udl_crtc_funcs = { @@ -362,7 +386,7 @@ static const struct drm_crtc_funcs udl_crtc_funcs = { .destroy = udl_crtc_destroy, }; -int udl_crtc_init(struct drm_device *dev) +static int udl_crtc_init(struct drm_device *dev) { struct drm_crtc *crtc; |