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Commit ad0d6dc4 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
Browse files

drm/i915: Refactor max WM level 



Pull the expected max WM level determinations out to a separate
function. Will have another user soon.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 8de123a5

drivers/gpu/drm/i915/intel_pm.c

+11 −8
Original line number Original line Diff line number Diff line
@@ -2561,19 +2561,22 @@ static void intel_fixup_cur_wm_latency(struct drm_device *dev, uint16_t wm[5]) 
		wm[3] *= 2;

		wm[3] *= 2;

}

}





static void intel_print_wm_latency(struct drm_device *dev,

static int ilk_wm_max_level(const struct drm_device *dev)

				   const char *name,

				   const uint16_t wm[5])

{

{

	int level, max_level;



	/* how many WM levels are we expecting */

	/* how many WM levels are we expecting */

	if (IS_HASWELL(dev))

	if (IS_HASWELL(dev))

		max_level = 4;

		return 4;

	else if (INTEL_INFO(dev)->gen >= 6)

	else if (INTEL_INFO(dev)->gen >= 6)

		max_level = 3;

		return 3;

	else

	else

		max_level = 2;

		return 2;

}



static void intel_print_wm_latency(struct drm_device *dev,

				   const char *name,

				   const uint16_t wm[5])

{

	int level, max_level = ilk_wm_max_level(dev);





	for (level = 0; level <= max_level; level++) {

	for (level = 0; level <= max_level; level++) {

		unsigned int latency = wm[level];

		unsigned int latency = wm[level];