diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_vop2.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 58 |
1 files changed, 32 insertions, 26 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index e979d5e02ff4..498df0ce4680 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -102,7 +102,7 @@ enum vop2_afbc_format { VOP2_AFBC_FMT_INVALID = -1, }; -#define VOP2_MAX_DCLK_RATE 600000000 +#define VOP2_MAX_DCLK_RATE 600000000UL /* * bus-format types. @@ -1743,36 +1743,42 @@ static void vop2_crtc_atomic_enable(struct drm_crtc *crtc, * Switch to HDMI PHY PLL as DCLK source for display modes up * to 4K@60Hz, if available, otherwise keep using the system CRU. */ - if ((vop2->pll_hdmiphy0 || vop2->pll_hdmiphy1) && clock <= VOP2_MAX_DCLK_RATE) { - drm_for_each_encoder_mask(encoder, crtc->dev, crtc_state->encoder_mask) { - struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder); - - if (rkencoder->crtc_endpoint_id == ROCKCHIP_VOP2_EP_HDMI0) { - if (!vop2->pll_hdmiphy0) + if (vop2->pll_hdmiphy0 || vop2->pll_hdmiphy1) { + unsigned long max_dclk = DIV_ROUND_CLOSEST_ULL(VOP2_MAX_DCLK_RATE * 8, + vcstate->output_bpc); + if (clock <= max_dclk) { + drm_for_each_encoder_mask(encoder, crtc->dev, crtc_state->encoder_mask) { + struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder); + + if (rkencoder->crtc_endpoint_id == ROCKCHIP_VOP2_EP_HDMI0) { + if (!vop2->pll_hdmiphy0) + break; + + if (!vp->dclk_src) + vp->dclk_src = clk_get_parent(vp->dclk); + + ret = clk_set_parent(vp->dclk, vop2->pll_hdmiphy0); + if (ret < 0) + drm_warn(vop2->drm, + "Could not switch to HDMI0 PHY PLL: %d\n", + ret); break; + } - if (!vp->dclk_src) - vp->dclk_src = clk_get_parent(vp->dclk); + if (rkencoder->crtc_endpoint_id == ROCKCHIP_VOP2_EP_HDMI1) { + if (!vop2->pll_hdmiphy1) + break; - ret = clk_set_parent(vp->dclk, vop2->pll_hdmiphy0); - if (ret < 0) - drm_warn(vop2->drm, - "Could not switch to HDMI0 PHY PLL: %d\n", ret); - break; - } + if (!vp->dclk_src) + vp->dclk_src = clk_get_parent(vp->dclk); - if (rkencoder->crtc_endpoint_id == ROCKCHIP_VOP2_EP_HDMI1) { - if (!vop2->pll_hdmiphy1) + ret = clk_set_parent(vp->dclk, vop2->pll_hdmiphy1); + if (ret < 0) + drm_warn(vop2->drm, + "Could not switch to HDMI1 PHY PLL: %d\n", + ret); break; - - if (!vp->dclk_src) - vp->dclk_src = clk_get_parent(vp->dclk); - - ret = clk_set_parent(vp->dclk, vop2->pll_hdmiphy1); - if (ret < 0) - drm_warn(vop2->drm, - "Could not switch to HDMI1 PHY PLL: %d\n", ret); - break; + } } } } |