drm/omap: add field for PLL type

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@ti.com>

diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 290bd07..5f96a1a 100644 (file)
--- 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 38e77fa..52895ba 100644 (file)
--- 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 efd40f9..110ed50 100644 (file)
--- 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 cc87eb4..c13e1ac 100644 (file)
--- 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,