From: Satheeshakrishna M <satheeshakrishna.m@xxxxxxxxx>
Adding structure/enum for SKL clocking implementation.
v2: Addressed Damien's comment
- Removed internal structure from this header file
v3: Stove this into the generic intel_dpll_id enum and give them the established
DPLL_ID_ prefixes. (Daniel)
v4: - We'll only try to share DPLL1/2/3, leaving DPLL0 to eDP
- Use SKL in the skylake shared DPLL names
- Re-add the skl_dpll enum
(Damien)
v5: Remove SKL_DPLL_NONE (Daniel)
Signed-off-by: Satheeshakrishna M <satheeshakrishna.m@xxxxxxxxx> (v2)
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx> (v4,v5)
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> (v3)
---
drivers/gpu/drm/i915/i915_drv.h | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 84defa4..65e5ffb 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -206,10 +206,15 @@ enum intel_dpll_id {
/* real shared dpll ids must be >= 0 */
DPLL_ID_PCH_PLL_A = 0,
DPLL_ID_PCH_PLL_B = 1,
+ /* hsw/bdw */
DPLL_ID_WRPLL1 = 0,
DPLL_ID_WRPLL2 = 1,
+ /* skl */
+ DPLL_ID_SKL_DPLL1 = 0,
+ DPLL_ID_SKL_DPLL2 = 1,
+ DPLL_ID_SKL_DPLL3 = 2,
};
-#define I915_NUM_PLLS 2
+#define I915_NUM_PLLS 3
struct intel_dpll_hw_state {
/* i9xx, pch plls */
@@ -243,6 +248,13 @@ struct intel_shared_dpll {
struct intel_dpll_hw_state *hw_state);
};
+enum skl_dpll {
+ SKL_DPLL0,
+ SKL_DPLL1,
+ SKL_DPLL2,
+ SKL_DPLL3,
+};
+
/* Used by dp and fdi links */
struct intel_link_m_n {
uint32_t tu;
--
1.8.3.1
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