diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 7318005..379679e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5836,6 +5836,10 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state,
 
 	if (!dev_priv->display.initial_watermarks)
 		intel_update_watermarks(intel_crtc);
+
+	/* clock the pipe down to 640x480@60 to potentially save power */
+	if (IS_I830(dev_priv))
+		i830_enable_pipe(dev_priv, pipe);
 }
 
 static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
@@ -15145,6 +15149,91 @@ int intel_modeset_init(struct drm_device *dev)
 	return 0;
 }
 
+void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
+{
+	/* 640x480@60Hz, ~25175 kHz */
+	struct dpll clock = {
+		.m1 = 18,
+		.m2 = 7,
+		.p1 = 13,
+		.p2 = 4,
+		.n = 2,
+	};
+	u32 dpll, fp;
+	int i;
+
+	WARN_ON(i9xx_calc_dpll_params(48000, &clock) != 25154);
+
+	DRM_DEBUG_KMS("enabling pipe %c due to force quirk (vco=%d dot=%d)\n",
+		      pipe_name(pipe), clock.vco, clock.dot);
+
+	fp = i9xx_dpll_compute_fp(&clock);
+	dpll = (I915_READ(DPLL(pipe)) & DPLL_DVO_2X_MODE) |
+		DPLL_VGA_MODE_DIS |
+		((clock.p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT) |
+		PLL_P2_DIVIDE_BY_4 |
+		PLL_REF_INPUT_DREFCLK |
+		DPLL_VCO_ENABLE;
+
+	I915_WRITE(FP0(pipe), fp);
+	I915_WRITE(FP1(pipe), fp);
+
+	I915_WRITE(HTOTAL(pipe), (640 - 1) | ((800 - 1) << 16));
+	I915_WRITE(HBLANK(pipe), (640 - 1) | ((800 - 1) << 16));
+	I915_WRITE(HSYNC(pipe), (656 - 1) | ((752 - 1) << 16));
+	I915_WRITE(VTOTAL(pipe), (480 - 1) | ((525 - 1) << 16));
+	I915_WRITE(VBLANK(pipe), (480 - 1) | ((525 - 1) << 16));
+	I915_WRITE(VSYNC(pipe), (490 - 1) | ((492 - 1) << 16));
+	I915_WRITE(PIPESRC(pipe), ((640 - 1) << 16) | (480 - 1));
+
+	/*
+	 * Apparently we need to have VGA mode enabled prior to changing
+	 * the P1/P2 dividers. Otherwise the DPLL will keep using the old
+	 * dividers, even though the register value does change.
+	 */
+	I915_WRITE(DPLL(pipe), dpll & ~DPLL_VGA_MODE_DIS);
+	I915_WRITE(DPLL(pipe), dpll);
+
+	/* Wait for the clocks to stabilize. */
+	POSTING_READ(DPLL(pipe));
+	udelay(150);
+
+	/* The pixel multiplier can only be updated once the
+	 * DPLL is enabled and the clocks are stable.
+	 *
+	 * So write it again.
+	 */
+	I915_WRITE(DPLL(pipe), dpll);
+
+	/* We do this three times for luck */
+	for (i = 0; i < 3 ; i++) {
+		I915_WRITE(DPLL(pipe), dpll);
+		POSTING_READ(DPLL(pipe));
+		udelay(150); /* wait for warmup */
+	}
+
+	I915_WRITE(PIPECONF(pipe), PIPECONF_ENABLE | PIPECONF_PROGRESSIVE);
+	POSTING_READ(PIPECONF(pipe));
+}
+
+void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
+{
+	DRM_DEBUG_KMS("disabling pipe %c due to force quirk\n",
+		      pipe_name(pipe));
+
+	assert_plane_disabled(dev_priv, PLANE_A);
+	assert_plane_disabled(dev_priv, PLANE_B);
+
+	I915_WRITE(PIPECONF(pipe), 0);
+	POSTING_READ(PIPECONF(pipe));
+
+	if (wait_for(pipe_dsl_stopped(dev_priv, pipe), 100))
+		DRM_ERROR("pipe %c off wait timed out\n", pipe_name(pipe));
+
+	I915_WRITE(DPLL(pipe), DPLL_VGA_MODE_DIS);
+	POSTING_READ(DPLL(pipe));
+}
+
 static void intel_enable_pipe_a(struct drm_device *dev,
 				struct drm_modeset_acquire_ctx *ctx)
 {
@@ -15274,7 +15363,8 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc,
 		crtc->plane = plane;
 	}
 
-	if (dev_priv->quirks & QUIRK_PIPEA_FORCE &&
+	if (!IS_I830(dev_priv) &&
+	    dev_priv->quirks & QUIRK_PIPEA_FORCE &&
 	    crtc->pipe == PIPE_A && !crtc->active) {
 		/* BIOS forgot to enable pipe A, this mostly happens after
 		 * resume. Force-enable the pipe to fix this, the update_dpms
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 2bc3326..4d3982b 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1332,6 +1332,8 @@ void intel_set_cdclk(struct drm_i915_private *dev_priv,
 		     const struct intel_cdclk_state *cdclk_state);
 
 /* intel_display.c */
+void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
+void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
 enum transcoder intel_crtc_pch_transcoder(struct intel_crtc *crtc);
 void intel_update_rawclk(struct drm_i915_private *dev_priv);
 int vlv_get_hpll_vco(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 436ec7a..efe80ed 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -1041,6 +1041,38 @@ static bool i9xx_always_on_power_well_enabled(struct drm_i915_private *dev_priv,
 	return true;
 }
 
+static void i830_pipes_power_well_enable(struct drm_i915_private *dev_priv,
+					 struct i915_power_well *power_well)
+{
+	if ((I915_READ(PIPECONF(PIPE_A)) & PIPECONF_ENABLE) == 0)
+		i830_enable_pipe(dev_priv, PIPE_A);
+	if ((I915_READ(PIPECONF(PIPE_B)) & PIPECONF_ENABLE) == 0)
+		i830_enable_pipe(dev_priv, PIPE_B);
+}
+
+static void i830_pipes_power_well_disable(struct drm_i915_private *dev_priv,
+					  struct i915_power_well *power_well)
+{
+	i830_disable_pipe(dev_priv, PIPE_B);
+	i830_disable_pipe(dev_priv, PIPE_A);
+}
+
+static bool i830_pipes_power_well_enabled(struct drm_i915_private *dev_priv,
+					  struct i915_power_well *power_well)
+{
+	return I915_READ(PIPECONF(PIPE_A)) & PIPECONF_ENABLE &&
+		I915_READ(PIPECONF(PIPE_B)) & PIPECONF_ENABLE;
+}
+
+static void i830_pipes_power_well_sync_hw(struct drm_i915_private *dev_priv,
+					  struct i915_power_well *power_well)
+{
+	if (power_well->count > 0)
+		i830_pipes_power_well_enable(dev_priv, power_well);
+	else
+		i830_pipes_power_well_disable(dev_priv, power_well);
+}
+
 static void vlv_set_power_well(struct drm_i915_private *dev_priv,
 			       struct i915_power_well *power_well, bool enable)
 {
@@ -1929,6 +1961,15 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 	BIT_ULL(POWER_DOMAIN_AUX_D) |		\
 	BIT_ULL(POWER_DOMAIN_INIT))
 
+#define I830_PIPES_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PIPE_A) |		\
+	BIT_ULL(POWER_DOMAIN_PIPE_B) |		\
+	BIT_ULL(POWER_DOMAIN_PIPE_A_PANEL_FITTER) |	\
+	BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) |	\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_A) |	\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_B) |	\
+	BIT_ULL(POWER_DOMAIN_INIT))
+
 static const struct i915_power_well_ops i9xx_always_on_power_well_ops = {
 	.sync_hw = i9xx_power_well_sync_hw_noop,
 	.enable = i9xx_always_on_power_well_noop,
@@ -1959,6 +2000,27 @@ static struct i915_power_well i9xx_always_on_power_well[] = {
 	},
 };
 
+static const struct i915_power_well_ops i830_pipes_power_well_ops = {
+	.sync_hw = i830_pipes_power_well_sync_hw,
+	.enable = i830_pipes_power_well_enable,
+	.disable = i830_pipes_power_well_disable,
+	.is_enabled = i830_pipes_power_well_enabled,
+};
+
+static struct i915_power_well i830_power_wells[] = {
+	{
+		.name = "always-on",
+		.always_on = 1,
+		.domains = POWER_DOMAIN_MASK,
+		.ops = &i9xx_always_on_power_well_ops,
+	},
+	{
+		.name = "pipes",
+		.domains = I830_PIPES_POWER_DOMAINS,
+		.ops = &i830_pipes_power_well_ops,
+	},
+};
+
 static const struct i915_power_well_ops hsw_power_well_ops = {
 	.sync_hw = hsw_power_well_sync_hw,
 	.enable = hsw_power_well_enable,
@@ -2504,6 +2566,8 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
 		set_power_wells(power_domains, chv_power_wells);
 	} else if (IS_VALLEYVIEW(dev_priv)) {
 		set_power_wells(power_domains, vlv_power_wells);
+	} else if (IS_I830(dev_priv)) {
+		set_power_wells(power_domains, i830_power_wells);
 	} else {
 		set_power_wells(power_domains, i9xx_always_on_power_well);
 	}