diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 89 |
1 files changed, 70 insertions, 19 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index ee43cc22085..e3861ac4929 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -34,7 +34,6 @@ #include "exynos_drm_fb.h" #include "exynos_drm_encoder.h" #include "exynos_drm_gem.h" -#include "exynos_drm_buf.h" #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\ drm_crtc) @@ -52,11 +51,13 @@ * drm framework doesn't support multiple irq yet. * we can refer to the crtc to current hardware interrupt occured through * this pipe value. + * @dpms: store the crtc dpms value */ struct exynos_drm_crtc { struct drm_crtc drm_crtc; struct exynos_drm_overlay overlay; unsigned int pipe; + unsigned int dpms; }; static void exynos_drm_crtc_apply(struct drm_crtc *crtc) @@ -78,19 +79,23 @@ int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, struct exynos_drm_gem_buf *buffer; unsigned int actual_w; unsigned int actual_h; + int nr = exynos_drm_format_num_buffers(fb->pixel_format); + int i; + + for (i = 0; i < nr; i++) { + buffer = exynos_drm_fb_buffer(fb, i); + if (!buffer) { + DRM_LOG_KMS("buffer is null\n"); + return -EFAULT; + } - buffer = exynos_drm_fb_get_buf(fb); - if (!buffer) { - DRM_LOG_KMS("buffer is null.\n"); - return -EFAULT; - } - - overlay->dma_addr = buffer->dma_addr; - overlay->vaddr = buffer->kvaddr; + overlay->dma_addr[i] = buffer->dma_addr; + overlay->vaddr[i] = buffer->kvaddr; - DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n", - (unsigned long)overlay->vaddr, - (unsigned long)overlay->dma_addr); + DRM_DEBUG_KMS("buffer: %d, vaddr = 0x%lx, dma_addr = 0x%lx\n", + i, (unsigned long)overlay->vaddr[i], + (unsigned long)overlay->dma_addr[i]); + } actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w); actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h); @@ -101,7 +106,8 @@ int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, overlay->fb_width = fb->width; overlay->fb_height = fb->height; overlay->bpp = fb->bits_per_pixel; - overlay->pitch = fb->pitch; + overlay->pitch = fb->pitches[0]; + overlay->pixel_format = fb->pixel_format; /* set overlay range to be displayed. */ overlay->crtc_x = pos->crtc_x; @@ -153,26 +159,37 @@ static int exynos_drm_crtc_update(struct drm_crtc *crtc) static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) { + struct drm_device *dev = crtc->dev; struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); + if (exynos_crtc->dpms == mode) { + DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n"); + return; + } + + mutex_lock(&dev->struct_mutex); + switch (mode) { case DRM_MODE_DPMS_ON: - exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe, - exynos_drm_encoder_crtc_commit); + exynos_drm_fn_encoder(crtc, &mode, + exynos_drm_encoder_crtc_dpms); + exynos_crtc->dpms = mode; break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - /* TODO */ - exynos_drm_fn_encoder(crtc, NULL, - exynos_drm_encoder_crtc_disable); + exynos_drm_fn_encoder(crtc, &mode, + exynos_drm_encoder_crtc_dpms); + exynos_crtc->dpms = mode; break; default: - DRM_DEBUG_KMS("unspecified mode %d\n", mode); + DRM_ERROR("unspecified mode %d\n", mode); break; } + + mutex_unlock(&dev->struct_mutex); } static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) @@ -188,6 +205,28 @@ static void exynos_drm_crtc_commit(struct drm_crtc *crtc) DRM_DEBUG_KMS("%s\n", __FILE__); + /* + * when set_crtc is requested from user or at booting time, + * crtc->commit would be called without dpms call so if dpms is + * no power on then crtc->dpms should be called + * with DRM_MODE_DPMS_ON for the hardware power to be on. + */ + if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) { + int mode = DRM_MODE_DPMS_ON; + + /* + * enable hardware(power on) to all encoders hdmi connected + * to current crtc. + */ + exynos_drm_crtc_dpms(crtc, mode); + /* + * enable dma to all encoders connected to current crtc and + * lcd panel. + */ + exynos_drm_fn_encoder(crtc, &mode, + exynos_drm_encoder_dpms_from_crtc); + } + exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe, exynos_drm_encoder_crtc_commit); } @@ -344,6 +383,8 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) } exynos_crtc->pipe = nr; + exynos_crtc->dpms = DRM_MODE_DPMS_OFF; + exynos_crtc->overlay.zpos = DEFAULT_ZPOS; crtc = &exynos_crtc->drm_crtc; private->crtc[nr] = crtc; @@ -357,9 +398,14 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) { struct exynos_drm_private *private = dev->dev_private; + struct exynos_drm_crtc *exynos_crtc = + to_exynos_crtc(private->crtc[crtc]); DRM_DEBUG_KMS("%s\n", __FILE__); + if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) + return -EPERM; + exynos_drm_fn_encoder(private->crtc[crtc], &crtc, exynos_drm_enable_vblank); @@ -369,9 +415,14 @@ int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) { struct exynos_drm_private *private = dev->dev_private; + struct exynos_drm_crtc *exynos_crtc = + to_exynos_crtc(private->crtc[crtc]); DRM_DEBUG_KMS("%s\n", __FILE__); + if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) + return; + exynos_drm_fn_encoder(private->crtc[crtc], &crtc, exynos_drm_disable_vblank); } |