Allwinner sun4i DRM fixes for 4.9
A few fixes for the sun4i drm driver that range, including some fixes that might prevent multiple planes from working depending on the sequence where they are enabled. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJX44UwAAoJEBx+YmzsjxAgo+AQAKiv91r8qNidJ9I5dK4bLHVs 8wUkGgmdMSN/TIDtdxRwcNKkCG6D+ieyUCkeU2Tvop9QSK4vO5ZVh23d8/H9GEPh ebhHoPUQ76JwrLLxD4bJZ7+dcgOExLOFuM54275SYh+YVzEzSdwY7z4kD3O0H9fm 6RiuPVnehnkgyQGtUMpU/HfFhlwDEwpsJPbDb/RWnpN4C7o4kGP6+kDsJLh4vhyT 2wd9XXCXMKQrrxx7krppqFlAcBDUIfOpQcvceDopG8/xGJaGRyH64UGMwjnPrdGS 5kOqNg1/YwzSM2q/WSXziIh3o6RHuh9pyBnrcVPgpA731R744n9GrrclR/8Vkybp Bka1Rl4w7A/pw1HB2uOgH89KSFbb0rwEb5Zg0Oh4BfK6h2JUXkiscx4Q9JT5/H4T pUr51cxazGeHwV6KeMGt5ogpQcgtu93bcJnlbFtulnh/LQIXDVgFA/0oUK4vdnaz VRW8G8ZMl8sikMwxvyNzrf6iF5aXhM7eKa4xr4HqdND5skXe4CDZyvxZ/kvqO0eG 0Pf4VmlcMP8VV/I1lyHPw9ggQLsEO0dgLvvWmkOu1uOc6yYTfKrf8GnGjfUabxYj 3l3DIHnEBr6mFOFI/1PuD69urHt/IwnWsMCMdmbru+G74mKJ8cLLlEgF3FcyXEbV F8eSyPkSXVBTp4mV8kh3 =Ondz -----END PGP SIGNATURE----- Merge tag 'sunxi-drm-fixes-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-next Allwinner sun4i DRM fixes for 4.9 A few fixes for the sun4i drm driver that range, including some fixes that might prevent multiple planes from working depending on the sequence where they are enabled. * tag 'sunxi-drm-fixes-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: drm/sun4i: Fix the high buffer address mask drm/sun4i: tv: Check mode pointer drm/sun4i: Fix formats usable by the primary plane drm/sun4i: dotclock: Round to closest clock rate drm/sun4i: Fix sparse warnings drm/sun4i: dotclock: Allow divider = 127 drm/sun4i: dotclock: Fix clock rate read back calcation drm/sun4i: backend: remove redundant dev_err call in sun4i_backend_bind()
This commit is contained in:
Dave Airlie
Коммит
a4a7fbb401
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@ -83,8 +83,13 @@ void sun4i_backend_layer_enable(struct sun4i_backend *backend,
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}
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EXPORT_SYMBOL(sun4i_backend_layer_enable);
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static int sun4i_backend_drm_format_to_layer(u32 format, u32 *mode)
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static int sun4i_backend_drm_format_to_layer(struct drm_plane *plane,
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u32 format, u32 *mode)
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{
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if ((plane->type == DRM_PLANE_TYPE_PRIMARY) &&
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(format == DRM_FORMAT_ARGB8888))
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format = DRM_FORMAT_XRGB8888;
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switch (format) {
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case DRM_FORMAT_ARGB8888:
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*mode = SUN4I_BACKEND_LAY_FBFMT_ARGB8888;
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@ -164,7 +169,7 @@ int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
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DRM_DEBUG_DRIVER("Switching display backend interlaced mode %s\n",
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interlaced ? "on" : "off");
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ret = sun4i_backend_drm_format_to_layer(fb->pixel_format, &val);
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ret = sun4i_backend_drm_format_to_layer(plane, fb->pixel_format, &val);
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if (ret) {
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DRM_DEBUG_DRIVER("Invalid format\n");
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return val;
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@ -288,10 +293,8 @@ static int sun4i_backend_bind(struct device *dev, struct device *master,
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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regs = devm_ioremap_resource(dev, res);
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if (IS_ERR(regs)) {
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dev_err(dev, "Couldn't map the backend registers\n");
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if (IS_ERR(regs))
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return PTR_ERR(regs);
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}
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backend->regs = devm_regmap_init_mmio(dev, regs,
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&sun4i_backend_regmap_config);
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@ -52,7 +52,7 @@
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#define SUN4I_BACKEND_LAYFB_L32ADD_REG(l) (0x850 + (0x4 * (l)))
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#define SUN4I_BACKEND_LAYFB_H4ADD_REG 0x860
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#define SUN4I_BACKEND_LAYFB_H4ADD_MSK(l) GENMASK(3 + ((l) * 8), 0)
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#define SUN4I_BACKEND_LAYFB_H4ADD_MSK(l) GENMASK(3 + ((l) * 8), (l) * 8)
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#define SUN4I_BACKEND_LAYFB_H4ADD(l, val) ((val) << ((l) * 8))
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#define SUN4I_BACKEND_REGBUFFCTL_REG 0x870
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@ -62,7 +62,7 @@ static unsigned long sun4i_dclk_recalc_rate(struct clk_hw *hw,
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regmap_read(dclk->regmap, SUN4I_TCON0_DCLK_REG, &val);
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val >>= SUN4I_TCON0_DCLK_DIV_SHIFT;
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val &= SUN4I_TCON0_DCLK_DIV_WIDTH;
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val &= (1 << SUN4I_TCON0_DCLK_DIV_WIDTH) - 1;
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if (!val)
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val = 1;
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@ -77,7 +77,7 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
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u8 best_div = 1;
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int i;
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for (i = 6; i < 127; i++) {
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for (i = 6; i <= 127; i++) {
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unsigned long ideal = rate * i;
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unsigned long rounded;
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@ -90,7 +90,8 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
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goto out;
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}
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if ((rounded < ideal) && (rounded > best_parent)) {
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if (abs(rate - rounded / i) <
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abs(rate - best_parent / best_div)) {
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best_parent = rounded;
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best_div = i;
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}
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@ -19,7 +19,12 @@
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#include "sun4i_drv.h"
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#include "sun4i_layer.h"
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#define SUN4I_NUM_LAYERS 2
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struct sun4i_plane_desc {
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enum drm_plane_type type;
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u8 pipe;
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const uint32_t *formats;
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uint32_t nformats;
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};
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static int sun4i_backend_layer_atomic_check(struct drm_plane *plane,
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struct drm_plane_state *state)
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@ -65,14 +70,35 @@ static const struct drm_plane_funcs sun4i_backend_layer_funcs = {
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.update_plane = drm_atomic_helper_update_plane,
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};
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static const uint32_t sun4i_backend_layer_formats[] = {
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static const uint32_t sun4i_backend_layer_formats_primary[] = {
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DRM_FORMAT_ARGB8888,
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DRM_FORMAT_XRGB8888,
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DRM_FORMAT_RGB888,
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DRM_FORMAT_XRGB8888,
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};
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static const uint32_t sun4i_backend_layer_formats_overlay[] = {
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DRM_FORMAT_ARGB8888,
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DRM_FORMAT_RGB888,
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DRM_FORMAT_XRGB8888,
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};
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static const struct sun4i_plane_desc sun4i_backend_planes[] = {
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{
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.type = DRM_PLANE_TYPE_PRIMARY,
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.pipe = 0,
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.formats = sun4i_backend_layer_formats_primary,
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.nformats = ARRAY_SIZE(sun4i_backend_layer_formats_primary),
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},
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{
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.type = DRM_PLANE_TYPE_OVERLAY,
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.pipe = 1,
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.formats = sun4i_backend_layer_formats_overlay,
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.nformats = ARRAY_SIZE(sun4i_backend_layer_formats_overlay),
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},
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};
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static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
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enum drm_plane_type type)
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const struct sun4i_plane_desc *plane)
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{
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struct sun4i_drv *drv = drm->dev_private;
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struct sun4i_layer *layer;
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@ -84,10 +110,8 @@ static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
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ret = drm_universal_plane_init(drm, &layer->plane, BIT(0),
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&sun4i_backend_layer_funcs,
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sun4i_backend_layer_formats,
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ARRAY_SIZE(sun4i_backend_layer_formats),
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type,
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NULL);
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plane->formats, plane->nformats,
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plane->type, NULL);
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if (ret) {
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dev_err(drm->dev, "Couldn't initialize layer\n");
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return ERR_PTR(ret);
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@ -97,7 +121,7 @@ static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
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&sun4i_backend_layer_helper_funcs);
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layer->drv = drv;
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if (type == DRM_PLANE_TYPE_PRIMARY)
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if (plane->type == DRM_PLANE_TYPE_PRIMARY)
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drv->primary = &layer->plane;
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return layer;
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@ -109,8 +133,8 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm)
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struct sun4i_layer **layers;
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int i;
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layers = devm_kcalloc(drm->dev, SUN4I_NUM_LAYERS, sizeof(**layers),
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GFP_KERNEL);
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layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes),
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sizeof(**layers), GFP_KERNEL);
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if (!layers)
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return ERR_PTR(-ENOMEM);
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@ -135,13 +159,11 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm)
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* SoCs that support it, sprites could fill the need for more
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* layers.
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*/
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for (i = 0; i < SUN4I_NUM_LAYERS; i++) {
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enum drm_plane_type type = (i == 0)
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? DRM_PLANE_TYPE_PRIMARY
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: DRM_PLANE_TYPE_OVERLAY;
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for (i = 0; i < ARRAY_SIZE(sun4i_backend_planes); i++) {
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const struct sun4i_plane_desc *plane = &sun4i_backend_planes[i];
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struct sun4i_layer *layer = layers[i];
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layer = sun4i_layer_init_one(drm, type);
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layer = sun4i_layer_init_one(drm, plane);
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if (IS_ERR(layer)) {
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dev_err(drm->dev, "Couldn't initialize %s plane\n",
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i ? "overlay" : "primary");
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@ -149,10 +171,10 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm)
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};
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DRM_DEBUG_DRIVER("Assigning %s plane to pipe %d\n",
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i ? "overlay" : "primary", i);
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i ? "overlay" : "primary", plane->pipe);
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regmap_update_bits(drv->backend->regs, SUN4I_BACKEND_ATTCTL_REG0(i),
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SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL_MASK,
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SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(i));
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SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(plane->pipe));
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layer->id = i;
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};
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@ -161,10 +161,10 @@ struct tv_mode {
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bool dac3_en;
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bool dac_bit25_en;
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struct color_gains *color_gains;
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struct burst_levels *burst_levels;
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struct video_levels *video_levels;
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struct resync_parameters *resync_params;
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const struct color_gains *color_gains;
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const struct burst_levels *burst_levels;
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const struct video_levels *video_levels;
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const struct resync_parameters *resync_params;
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};
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struct sun4i_tv {
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@ -178,39 +178,39 @@ struct sun4i_tv {
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struct sun4i_drv *drv;
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};
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struct video_levels ntsc_video_levels = {
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static const struct video_levels ntsc_video_levels = {
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.black = 282, .blank = 240,
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};
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struct video_levels pal_video_levels = {
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static const struct video_levels pal_video_levels = {
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.black = 252, .blank = 252,
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};
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struct burst_levels ntsc_burst_levels = {
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static const struct burst_levels ntsc_burst_levels = {
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.cb = 79, .cr = 0,
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};
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struct burst_levels pal_burst_levels = {
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static const struct burst_levels pal_burst_levels = {
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.cb = 40, .cr = 40,
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};
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struct color_gains ntsc_color_gains = {
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static const struct color_gains ntsc_color_gains = {
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.cb = 160, .cr = 160,
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};
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struct color_gains pal_color_gains = {
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static const struct color_gains pal_color_gains = {
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.cb = 224, .cr = 224,
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};
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struct resync_parameters ntsc_resync_parameters = {
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static const struct resync_parameters ntsc_resync_parameters = {
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.field = false, .line = 14, .pixel = 12,
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};
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struct resync_parameters pal_resync_parameters = {
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static const struct resync_parameters pal_resync_parameters = {
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.field = true, .line = 13, .pixel = 12,
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};
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struct tv_mode tv_modes[] = {
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static const struct tv_mode tv_modes[] = {
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{
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.name = "NTSC",
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.mode = SUN4I_TVE_CFG0_RES_480i,
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@ -289,13 +289,13 @@ drm_connector_to_sun4i_tv(struct drm_connector *connector)
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* So far, it doesn't seem to be preserved when the mode is passed by
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* to mode_set for some reason.
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*/
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static struct tv_mode *sun4i_tv_find_tv_by_mode(struct drm_display_mode *mode)
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static const struct tv_mode *sun4i_tv_find_tv_by_mode(const struct drm_display_mode *mode)
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{
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int i;
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/* First try to identify the mode by name */
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for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
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struct tv_mode *tv_mode = &tv_modes[i];
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const struct tv_mode *tv_mode = &tv_modes[i];
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DRM_DEBUG_DRIVER("Comparing mode %s vs %s",
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mode->name, tv_mode->name);
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@ -306,7 +306,7 @@ static struct tv_mode *sun4i_tv_find_tv_by_mode(struct drm_display_mode *mode)
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/* Then by number of lines */
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for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
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struct tv_mode *tv_mode = &tv_modes[i];
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const struct tv_mode *tv_mode = &tv_modes[i];
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DRM_DEBUG_DRIVER("Comparing mode %s vs %s (X: %d vs %d)",
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mode->name, tv_mode->name,
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@ -319,7 +319,7 @@ static struct tv_mode *sun4i_tv_find_tv_by_mode(struct drm_display_mode *mode)
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return NULL;
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}
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static void sun4i_tv_mode_to_drm_mode(struct tv_mode *tv_mode,
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static void sun4i_tv_mode_to_drm_mode(const struct tv_mode *tv_mode,
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struct drm_display_mode *mode)
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{
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DRM_DEBUG_DRIVER("Creating mode %s\n", mode->name);
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@ -386,7 +386,7 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder,
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struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
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struct sun4i_drv *drv = tv->drv;
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struct sun4i_tcon *tcon = drv->tcon;
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struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode);
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const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode);
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sun4i_tcon1_mode_set(tcon, mode);
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@ -507,8 +507,14 @@ static int sun4i_tv_comp_get_modes(struct drm_connector *connector)
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int i;
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for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
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struct drm_display_mode *mode = drm_mode_create(connector->dev);
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struct tv_mode *tv_mode = &tv_modes[i];
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struct drm_display_mode *mode;
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const struct tv_mode *tv_mode = &tv_modes[i];
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mode = drm_mode_create(connector->dev);
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if (!mode) {
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DRM_ERROR("Failed to create a new display mode\n");
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return 0;
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}
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strcpy(mode->name, tv_mode->name);
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