DSS uses two types of PLLs, type A (DSI & Video) and type B (HDMI). The
two types behave slightly differently, but we don't have the type of the
PLL available anywhere for the driver.
This patch adds an enum for the PLL type and a field in the PLL's HW
data to store it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/gpu/drm/omapdrm/dss/dsi.c | 6 ++++++
drivers/gpu/drm/omapdrm/dss/dss.h | 7 +++++++
drivers/gpu/drm/omapdrm/dss/hdmi_pll.c | 4 ++++
drivers/gpu/drm/omapdrm/dss/video-pll.c | 2 ++
4 files changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 290bd07520f6..5f96a1af138d 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -5147,6 +5147,8 @@ static const struct dss_pll_ops dsi_pll_ops = {
};
static const struct dss_pll_hw dss_omap3_dsi_pll_hw = {
+ .type = DSS_PLL_TYPE_A,
+
.n_max = (1 << 7) - 1,
.m_max = (1 << 11) - 1,
.mX_max = (1 << 4) - 1,
@@ -5172,6 +5174,8 @@ static const struct dss_pll_hw dss_omap3_dsi_pll_hw = {
};
static const struct dss_pll_hw dss_omap4_dsi_pll_hw = {
+ .type = DSS_PLL_TYPE_A,
+
.n_max = (1 << 8) - 1,
.m_max = (1 << 12) - 1,
.mX_max = (1 << 5) - 1,
@@ -5197,6 +5201,8 @@ static const struct dss_pll_hw dss_omap4_dsi_pll_hw = {
};
static const struct dss_pll_hw dss_omap5_dsi_pll_hw = {
+ .type = DSS_PLL_TYPE_A,
+
.n_max = (1 << 8) - 1,
.m_max = (1 << 12) - 1,
.mX_max = (1 << 5) - 1,
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h
index 38e77fac2078..52895ba2d717 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss.h
@@ -128,6 +128,11 @@ struct dss_pll;
#define DSS_PLL_MAX_HSDIVS 4
+enum dss_pll_type {
+ DSS_PLL_TYPE_A,
+ DSS_PLL_TYPE_B,
+};
+
/*
* Type-A PLLs: clkout[]/mX[] refer to hsdiv outputs m4, m5, m6, m7.
* Type-B PLLs: clkout[0] refers to m2.
@@ -154,6 +159,8 @@ struct dss_pll_ops {
};
struct dss_pll_hw {
+ enum dss_pll_type type;
+
unsigned n_max;
unsigned m_min;
unsigned m_max;
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
index efd40f940aaa..110ed50d5ce1 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
@@ -130,6 +130,8 @@ static const struct dss_pll_ops dsi_pll_ops = {
};
static const struct dss_pll_hw dss_omap4_hdmi_pll_hw = {
+ .type = DSS_PLL_TYPE_B,
+
.n_max = 255,
.m_min = 20,
.m_max = 4095,
@@ -153,6 +155,8 @@ static const struct dss_pll_hw dss_omap4_hdmi_pll_hw = {
};
static const struct dss_pll_hw dss_omap5_hdmi_pll_hw = {
+ .type = DSS_PLL_TYPE_B,
+
.n_max = 255,
.m_min = 20,
.m_max = 2045,
diff --git a/drivers/gpu/drm/omapdrm/dss/video-pll.c b/drivers/gpu/drm/omapdrm/dss/video-pll.c
index cc87eb4e2906..c13e1accda17 100644
--- a/drivers/gpu/drm/omapdrm/dss/video-pll.c
+++ b/drivers/gpu/drm/omapdrm/dss/video-pll.c
@@ -108,6 +108,8 @@ static const struct dss_pll_ops dss_pll_ops = {
};
static const struct dss_pll_hw dss_dra7_video_pll_hw = {
+ .type = DSS_PLL_TYPE_A,
+
.n_max = (1 << 8) - 1,
.m_max = (1 << 12) - 1,
.mX_max = (1 << 5) - 1,
--
2.5.0
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
