From f1f5ef92679fd9871b9642916c32b78fc333642a Mon Sep 17 00:00:00 2001 From: Emily Deng Date: Mon, 8 Aug 2016 11:32:00 +0800 Subject: [PATCH] drm/amdgpu: Initialize dce_virtual_crtc_helper_funcs For virtual display feature, initialize dce_virtual_crtc_helper_funcs. Signed-off-by: Emily Deng Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/dce_virtual.c | 137 +++++++++++++++++++++-- 1 file changed, 128 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c index 985b276e6b25..11f04ec51c9c 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c @@ -134,16 +134,135 @@ static const struct drm_crtc_funcs dce_virtual_crtc_funcs = { .page_flip = NULL, }; +static void dce_virtual_crtc_dpms(struct drm_crtc *crtc, int mode) +{ + struct drm_device *dev = crtc->dev; + struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; + + switch (mode) { + case DRM_MODE_DPMS_ON: + amdgpu_crtc->enabled = true; + /* Make sure VBLANK and PFLIP interrupts are still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); + amdgpu_irq_update(adev, &adev->pageflip_irq, type); + drm_vblank_on(dev, amdgpu_crtc->crtc_id); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + drm_vblank_off(dev, amdgpu_crtc->crtc_id); + amdgpu_crtc->enabled = false; + break; + } +} + + +static void dce_virtual_crtc_prepare(struct drm_crtc *crtc) +{ + dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); +} + +static void dce_virtual_crtc_commit(struct drm_crtc *crtc) +{ + dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_ON); +} + +static void dce_virtual_crtc_disable(struct drm_crtc *crtc) +{ + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + + dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->primary->fb) { + int r; + struct amdgpu_framebuffer *amdgpu_fb; + struct amdgpu_bo *rbo; + + amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); + rbo = gem_to_amdgpu_bo(amdgpu_fb->obj); + r = amdgpu_bo_reserve(rbo, false); + if (unlikely(r)) + DRM_ERROR("failed to reserve rbo before unpin\n"); + else { + amdgpu_bo_unpin(rbo); + amdgpu_bo_unreserve(rbo); + } + } + + amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; + amdgpu_crtc->encoder = NULL; + amdgpu_crtc->connector = NULL; +} + +static int dce_virtual_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, struct drm_framebuffer *old_fb) +{ + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + + /* update the hw version fpr dpm */ + amdgpu_crtc->hw_mode = *adjusted_mode; + + return 0; +} + +static bool dce_virtual_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct drm_encoder *encoder; + + /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc == crtc) { + amdgpu_crtc->encoder = encoder; + amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); + break; + } + } + if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { + amdgpu_crtc->encoder = NULL; + amdgpu_crtc->connector = NULL; + return false; + } + + return true; +} + + +static int dce_virtual_crtc_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) +{ + return 0; +} + +static void dce_virtual_crtc_load_lut(struct drm_crtc *crtc) +{ + return; +} + +static int dce_virtual_crtc_set_base_atomic(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y, enum mode_set_atomic state) +{ + return 0; +} + static const struct drm_crtc_helper_funcs dce_virtual_crtc_helper_funcs = { - .dpms = NULL, - .mode_fixup = NULL, - .mode_set = NULL, - .mode_set_base = NULL, - .mode_set_base_atomic = NULL, - .prepare = NULL, - .commit = NULL, - .load_lut = NULL, - .disable = NULL, + .dpms = dce_virtual_crtc_dpms, + .mode_fixup = dce_virtual_crtc_mode_fixup, + .mode_set = dce_virtual_crtc_mode_set, + .mode_set_base = dce_virtual_crtc_set_base, + .mode_set_base_atomic = dce_virtual_crtc_set_base_atomic, + .prepare = dce_virtual_crtc_prepare, + .commit = dce_virtual_crtc_commit, + .load_lut = dce_virtual_crtc_load_lut, + .disable = dce_virtual_crtc_disable, }; static int dce_virtual_crtc_init(struct amdgpu_device *adev, int index) -- 2.20.1