diff options
Diffstat (limited to 'drivers/gpu/drm/xlnx/zynqmp_disp.c')
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_disp.c | 51 |
1 files changed, 3 insertions, 48 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c index 9368acf56eaf..80d1e499a18d 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c @@ -143,7 +143,6 @@ struct zynqmp_disp_layer { * @dpsub: Display subsystem * @blend: Register I/O base address for the blender * @avbuf: Register I/O base address for the audio/video buffer manager - * @audio: Registers I/O base address for the audio mixer * @layers: Layers (planes) */ struct zynqmp_disp { @@ -152,7 +151,6 @@ struct zynqmp_disp { void __iomem *blend; void __iomem *avbuf; - void __iomem *audio; struct zynqmp_disp_layer layers[ZYNQMP_DPSUB_NUM_LAYERS]; }; @@ -866,42 +864,6 @@ static void zynqmp_disp_blend_layer_disable(struct zynqmp_disp *disp, } /* ----------------------------------------------------------------------------- - * Audio Mixer - */ - -static void zynqmp_disp_audio_write(struct zynqmp_disp *disp, int reg, u32 val) -{ - writel(val, disp->audio + reg); -} - -/** - * zynqmp_disp_audio_enable - Enable the audio mixer - * @disp: Display controller - * - * Enable the audio mixer by de-asserting the soft reset. The audio state is set to - * default values by the reset, set the default mixer volume explicitly. - */ -static void zynqmp_disp_audio_enable(struct zynqmp_disp *disp) -{ - /* Clear the audio soft reset register as it's an non-reset flop. */ - zynqmp_disp_audio_write(disp, ZYNQMP_DISP_AUD_SOFT_RESET, 0); - zynqmp_disp_audio_write(disp, ZYNQMP_DISP_AUD_MIXER_VOLUME, - ZYNQMP_DISP_AUD_MIXER_VOLUME_NO_SCALE); -} - -/** - * zynqmp_disp_audio_disable - Disable the audio mixer - * @disp: Display controller - * - * Disable the audio mixer by asserting its soft reset. - */ -static void zynqmp_disp_audio_disable(struct zynqmp_disp *disp) -{ - zynqmp_disp_audio_write(disp, ZYNQMP_DISP_AUD_SOFT_RESET, - ZYNQMP_DISP_AUD_SOFT_RESET_AUD_SRST); -} - -/* ----------------------------------------------------------------------------- * ZynqMP Display Layer & DRM Plane */ @@ -1200,6 +1162,9 @@ static void zynqmp_disp_layer_release_dma(struct zynqmp_disp *disp, { unsigned int i; + if (!layer->info) + return; + for (i = 0; i < layer->info->num_channels; i++) { struct zynqmp_disp_layer_dma *dma = &layer->dmas[i]; @@ -1338,8 +1303,6 @@ void zynqmp_disp_enable(struct zynqmp_disp *disp) disp->dpsub->vid_clk_from_ps); zynqmp_disp_avbuf_enable_channels(disp); zynqmp_disp_avbuf_enable_audio(disp); - - zynqmp_disp_audio_enable(disp); } /** @@ -1348,8 +1311,6 @@ void zynqmp_disp_enable(struct zynqmp_disp *disp) */ void zynqmp_disp_disable(struct zynqmp_disp *disp) { - zynqmp_disp_audio_disable(disp); - zynqmp_disp_avbuf_disable_audio(disp); zynqmp_disp_avbuf_disable_channels(disp); zynqmp_disp_avbuf_disable(disp); @@ -1418,12 +1379,6 @@ int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub) goto error; } - disp->audio = devm_platform_ioremap_resource_byname(pdev, "aud"); - if (IS_ERR(disp->audio)) { - ret = PTR_ERR(disp->audio); - goto error; - } - ret = zynqmp_disp_create_layers(disp); if (ret) goto error; |