As part of an effort to remove the usage of global variables in the driver, store the registered plls array in the dss_device structure instead of a global variable.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Reviewed-by: Sebastian Reichel sebastian.reichel@collabora.co.uk --- drivers/gpu/drm/omapdrm/dss/dispc.c | 4 ++-- drivers/gpu/drm/omapdrm/dss/dpi.c | 17 +++++++------- drivers/gpu/drm/omapdrm/dss/dsi.c | 3 +-- drivers/gpu/drm/omapdrm/dss/dss.h | 8 ++++--- drivers/gpu/drm/omapdrm/dss/hdmi_pll.c | 3 +-- drivers/gpu/drm/omapdrm/dss/pll.c | 40 +++++++++++++++++---------------- drivers/gpu/drm/omapdrm/dss/video-pll.c | 3 +-- 7 files changed, 40 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 3428ffea70ee..285d297db229 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -3123,7 +3123,7 @@ static unsigned long dispc_fclk_rate(void) struct dss_pll *pll; unsigned int clkout_idx;
- pll = dss_pll_find_by_src(src); + pll = dss_pll_find_by_src(dispc.dss, src); clkout_idx = dss_pll_get_clkout_idx_for_src(src);
r = pll->cinfo.clkout[clkout_idx]; @@ -3150,7 +3150,7 @@ static unsigned long dispc_mgr_lclk_rate(enum omap_channel channel) struct dss_pll *pll; unsigned int clkout_idx;
- pll = dss_pll_find_by_src(src); + pll = dss_pll_find_by_src(dispc.dss, src); clkout_idx = dss_pll_get_clkout_idx_for_src(src);
r = pll->cinfo.clkout[clkout_idx]; diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index ba5adfb7ee70..338ceb1ba61b 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -58,7 +58,8 @@ static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev) return container_of(dssdev, struct dpi_data, output); }
-static enum dss_clk_source dpi_get_clk_src_dra7xx(enum omap_channel channel) +static enum dss_clk_source dpi_get_clk_src_dra7xx(struct dpi_data *dpi, + enum omap_channel channel) { /* * Possible clock sources: @@ -70,23 +71,23 @@ static enum dss_clk_source dpi_get_clk_src_dra7xx(enum omap_channel channel) switch (channel) { case OMAP_DSS_CHANNEL_LCD: { - if (dss_pll_find_by_src(DSS_CLK_SRC_PLL1_1)) + if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_1)) return DSS_CLK_SRC_PLL1_1; break; } case OMAP_DSS_CHANNEL_LCD2: { - if (dss_pll_find_by_src(DSS_CLK_SRC_PLL1_3)) + if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) return DSS_CLK_SRC_PLL1_3; - if (dss_pll_find_by_src(DSS_CLK_SRC_PLL2_3)) + if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_3)) return DSS_CLK_SRC_PLL2_3; break; } case OMAP_DSS_CHANNEL_LCD3: { - if (dss_pll_find_by_src(DSS_CLK_SRC_PLL2_1)) + if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_1)) return DSS_CLK_SRC_PLL2_1; - if (dss_pll_find_by_src(DSS_CLK_SRC_PLL1_3)) + if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) return DSS_CLK_SRC_PLL1_3; break; } @@ -133,7 +134,7 @@ static enum dss_clk_source dpi_get_clk_src(struct dpi_data *dpi) }
case DSS_MODEL_DRA7: - return dpi_get_clk_src_dra7xx(channel); + return dpi_get_clk_src_dra7xx(dpi, channel);
default: return DSS_CLK_SRC_FCK; @@ -605,7 +606,7 @@ static void dpi_init_pll(struct dpi_data *dpi)
dpi->clk_src = dpi_get_clk_src(dpi);
- pll = dss_pll_find_by_src(dpi->clk_src); + pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src); if (!pll) return;
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index a676d27dd479..448986031a6a 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -5353,9 +5353,8 @@ static int dsi_init_pll_data(struct dss_device *dss, pll->base = dsi->pll_base; pll->hw = dsi->data->pll_hw; pll->ops = &dsi_pll_ops; - pll->dss = dss;
- r = dss_pll_register(pll); + r = dss_pll_register(dss, pll); if (r) return r;
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h index ec8e40e09141..8cc4b6ca203e 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.h +++ b/drivers/gpu/drm/omapdrm/dss/dss.h @@ -267,6 +267,7 @@ struct dss_device { struct dss_debugfs_entry *dss; } debugfs;
+ struct dss_pll *plls[4]; struct dss_pll *video1_pll; struct dss_pll *video2_pll; }; @@ -458,10 +459,11 @@ typedef bool (*dss_pll_calc_func)(int n, int m, unsigned long fint, typedef bool (*dss_hsdiv_calc_func)(int m_dispc, unsigned long dispc, void *data);
-int dss_pll_register(struct dss_pll *pll); +int dss_pll_register(struct dss_device *dss, struct dss_pll *pll); void dss_pll_unregister(struct dss_pll *pll); -struct dss_pll *dss_pll_find(const char *name); -struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src); +struct dss_pll *dss_pll_find(struct dss_device *dss, const char *name); +struct dss_pll *dss_pll_find_by_src(struct dss_device *dss, + enum dss_clk_source src); unsigned int dss_pll_get_clkout_idx_for_src(enum dss_clk_source src); int dss_pll_enable(struct dss_pll *pll); void dss_pll_disable(struct dss_pll *pll); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c index 4fb97cd0cc8d..e7be3707d147 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c @@ -146,7 +146,6 @@ static int hdmi_init_pll_data(struct dss_device *dss, pll->id = DSS_PLL_HDMI; pll->base = hpll->base; pll->clkin = clk; - pll->dss = dss;
if (hpll->wp->version == 4) pll->hw = &dss_omap4_hdmi_pll_hw; @@ -155,7 +154,7 @@ static int hdmi_init_pll_data(struct dss_device *dss,
pll->ops = &hdmi_pll_ops;
- r = dss_pll_register(pll); + r = dss_pll_register(dss, pll); if (r) return r;
diff --git a/drivers/gpu/drm/omapdrm/dss/pll.c b/drivers/gpu/drm/omapdrm/dss/pll.c index ecb03277d831..078b0e8216c3 100644 --- a/drivers/gpu/drm/omapdrm/dss/pll.c +++ b/drivers/gpu/drm/omapdrm/dss/pll.c @@ -35,15 +35,14 @@ #define PLL_SSC_CONFIGURATION2 0x001C #define PLL_CONFIGURATION4 0x0020
-static struct dss_pll *dss_plls[4]; - -int dss_pll_register(struct dss_pll *pll) +int dss_pll_register(struct dss_device *dss, struct dss_pll *pll) { int i;
- for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) { - if (!dss_plls[i]) { - dss_plls[i] = pll; + for (i = 0; i < ARRAY_SIZE(dss->plls); ++i) { + if (!dss->plls[i]) { + dss->plls[i] = pll; + pll->dss = dss; return 0; } } @@ -53,29 +52,32 @@ int dss_pll_register(struct dss_pll *pll)
void dss_pll_unregister(struct dss_pll *pll) { + struct dss_device *dss = pll->dss; int i;
- for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) { - if (dss_plls[i] == pll) { - dss_plls[i] = NULL; + for (i = 0; i < ARRAY_SIZE(dss->plls); ++i) { + if (dss->plls[i] == pll) { + dss->plls[i] = NULL; + pll->dss = NULL; return; } } }
-struct dss_pll *dss_pll_find(const char *name) +struct dss_pll *dss_pll_find(struct dss_device *dss, const char *name) { int i;
- for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) { - if (dss_plls[i] && strcmp(dss_plls[i]->name, name) == 0) - return dss_plls[i]; + for (i = 0; i < ARRAY_SIZE(dss->plls); ++i) { + if (dss->plls[i] && strcmp(dss->plls[i]->name, name) == 0) + return dss->plls[i]; }
return NULL; }
-struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src) +struct dss_pll *dss_pll_find_by_src(struct dss_device *dss, + enum dss_clk_source src) { struct dss_pll *pll;
@@ -85,22 +87,22 @@ struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src) return NULL;
case DSS_CLK_SRC_HDMI_PLL: - return dss_pll_find("hdmi"); + return dss_pll_find(dss, "hdmi");
case DSS_CLK_SRC_PLL1_1: case DSS_CLK_SRC_PLL1_2: case DSS_CLK_SRC_PLL1_3: - pll = dss_pll_find("dsi0"); + pll = dss_pll_find(dss, "dsi0"); if (!pll) - pll = dss_pll_find("video0"); + pll = dss_pll_find(dss, "video0"); return pll;
case DSS_CLK_SRC_PLL2_1: case DSS_CLK_SRC_PLL2_2: case DSS_CLK_SRC_PLL2_3: - pll = dss_pll_find("dsi1"); + pll = dss_pll_find(dss, "dsi1"); if (!pll) - pll = dss_pll_find("video1"); + pll = dss_pll_find(dss, "video1"); return pll; } } diff --git a/drivers/gpu/drm/omapdrm/dss/video-pll.c b/drivers/gpu/drm/omapdrm/dss/video-pll.c index 344e7e0bbc4e..585ed94ccf17 100644 --- a/drivers/gpu/drm/omapdrm/dss/video-pll.c +++ b/drivers/gpu/drm/omapdrm/dss/video-pll.c @@ -190,9 +190,8 @@ struct dss_pll *dss_video_pll_init(struct dss_device *dss, pll->base = pll_base; pll->hw = &dss_dra7_video_pll_hw; pll->ops = &dss_pll_ops; - pll->dss = dss;
- r = dss_pll_register(pll); + r = dss_pll_register(dss, pll); if (r) return ERR_PTR(r);